import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Main {
	public static void main(String[] args) {
		InputReader in = new InputReader(System.in);
		PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)), true);
		TaskB solver = new TaskB();
		solver.solve(1, in, out);
		out.flush();
		out.close();
	}
}

class Pair {
	int first;
	int second;

	Pair(int first, int second) {
		this.first = first;
		this.second = second;
	}

}

class TaskB {
	int INF = (int) 1e9 + 7;
	int MAX_N = (int) 1e5 + 5;
	long mod = (long) 1e8;
	ArrayList<Integer> edges[];
	ArrayList<Integer> rev_edges[];
	boolean visited[];
	ArrayList<Integer> topSort;
	int color[];
	ArrayList<Integer> list[];

	public void solve(int testNumber, InputReader in, PrintWriter pw) {
		int n = in.nextInt();
		int m = in.nextInt();
		int kill[] = new int[n];
		int notKill[] = new int[n];
		int a[] = new int[n];
		int totalNotKill = 0;
		for (int i = 0; i < n; i++) {
			a[i] = in.nextInt();
			if (a[i] > 0) {
				kill[a[i] - 1]++;
			} else {
				notKill[(-a[i]) - 1]++;
				totalNotKill++;
			}
		}
		boolean isKiller[] = new boolean[n];
		int killer = 0;
		for (int i = 0; i < n; i++) {
			int temp = kill[i] + (totalNotKill - notKill[i]);
			if (temp == m) {
				isKiller[i] = true;
				killer++;
			}
		}
//		pw.println(Arrays.toString(isKiller));
		for (int i = 0; i < n; i++) {
			if (a[i] > 0) {
				if (isKiller[a[i] - 1] && killer == 1) {
					pw.println("Truth");
				} else if (!isKiller[a[i] - 1]) {
					pw.println("Lie");
				} else {
					pw.println("Undefined");
				}
			} else {
				if (isKiller[(-a[i]) - 1] && killer == 1) {
					pw.println("Lie");
				} else if (!isKiller[(-a[i]) - 1]) {
					pw.println("Truth");
				} else {
					pw.println("Undefined");
				}
			}
		}
	}

	int gcd(int a, int b) {
		if (b == 0) {
			return a;
		} else {
			return gcd(b, a % b);
		}
	}

	int[] shrink(int a[]) {
		int n = a.length;
		long b[] = new long[n];
		for (int i = 0; i < n; i++) {
			b[i] = ((long) (a[i] << 32)) | i;
		}
		Arrays.sort(b);
		int ret[] = new int[n];
		int p = 0;
		for (int i = 0; i < n; i++) {
			if (i > 0 && (b[i] ^ b[i - 1]) >> 32 != 0) {
				p++;
			}
			ret[(int) b[i]] = p;
		}
		return ret;
	}

	int sum(int ft[], int i) {
		int sum = 0;
		for (int j = i; j >= 1; j -= (j & -j)) {
			sum += ft[j];
//			System.out.println(sum);
		}
		return sum;
	}

	void add(int ft[], int i, int x) {
		for (int j = i; j < ft.length; j += (j & -j)) {
//			System.out.println(j);
			ft[j] += x;
		}
	}

	boolean isValid(int i, int j, char arr[][]) {

		if (i >= arr[0].length || j >= arr[0].length) {
			return false;
		}
		if (arr[i][j] == '*') {
			return false;
		}
		return true;
	}

	long pow(long m, long k) {
		long prod = 1;
		for (int i = 0; i < k; i++) {
			prod = (prod * m) % INF;
		}
		return prod % INF;
	}

//	int sum(int k) {
//		int sum=0;
//		for(int i=k;i>=1;i) {
//			sum+=ft[k];
//		}
//	}

	long fib(int N) {
		long fib[] = new long[N + 1];
		fib[0] = 1;
		fib[1] = 1;
		for (int i = 2; i <= N; i++) {
			fib[i] = (fib[i - 1] + fib[i - 2]) % mod;
		}
		return fib[N] % mod;
	}

	long sum(int i, int j, long arr[]) {
		long sum = 0;
		for (int k = i; k <= j; k++) {
			sum += arr[k];
		}
		return sum;
	}

	boolean FirstRow_Col(Pair pair) {
		return pair.first == 0 || pair.second == 0;
	}

	int __gcd(int a, int b) {
		if (b == 0)
			return a;
		return __gcd(b, a % b);

	}

	public int getInt(int num) {
		int ret = -1;
		switch (num) {
		case 0:
			ret = 6;
			break;
		case 1:
			ret = 2;
			break;
		case 2:
			ret = 5;
			break;
		case 3:
			ret = 5;
			break;
		case 4:
			ret = 4;
			break;
		case 5:
			ret = 5;
			break;
		case 6:
			ret = 6;
			break;
		case 7:
			ret = 3;
			break;
		case 8:
			ret = 7;
			break;
		case 9:
			ret = 6;
			break;
		}
		return ret;
	}

	public int isPow(long num) {
		int count = 0;
		while (num > 0) {
			num /= 2;
			count++;
		}
		return count;
	}
}

class InputReader {
	BufferedReader br;
	StringTokenizer st;

	public InputReader(InputStream in) {
		br = new BufferedReader(new InputStreamReader(in));
		st = null;
	}

	public String next() {
		while (st == null || !st.hasMoreTokens()) {
			try {
				st = new StringTokenizer(br.readLine());
			} catch (IOException e) {
				throw new RuntimeException(e);
			}
		}
		return st.nextToken();
	}

	public int nextInt() {
		return Integer.parseInt(next());
	}

	public long nextLong() {
		return Long.parseLong(next());
	}

	public double nextDouble() {
		return Double.parseDouble(next());
	}
}