
// MAGRANT - GNC19 - TEMPLATE 3.2
// DATE - PROBLEM
// PRACTISING TIME TAGS:
// ALGORITHM: ##MIN, STARTED AT:
// CODING: ##MIN, STARTED AT:
// SUMMARY: [MISTAKES / REQUISITES]

// FOR COMPATIBILITY:
#define _CRT_SECURE_NO_WARNINGS

// UNIVERSAL DEFINITIONS:
#define N (1<<17)
#define T (1<<5)
#define MODULO (1000000007)
#define HA1 (2420609)
#define HA2 (19260817)

// FREQUENT HEADER FILES:
#include <cstdio>
#include <iostream>
#include <fstream>
#include <sstream>
#include <cstdlib>
#include <cmath>
#include <cstring>
#include <string>
#include <algorithm>
#include <stack>
#include <vector>
#include <set>
#include <map>
#include <deque>
#include <queue>
#include <complex>
using namespace std;

// TEMPLATE BEGINS HERE.
//#define MAGRANT_ALLOWS_CTMP
// IMPORTANT: DO NOT OPEN UNLESS AS CONTESTANT.
// CAUTION: BEWARE OF CONFLICT.
#ifdef MAGRANT_ALLOWS_CTMP
namespace CTMP
{
	// ELEMENTARY MATHEMATICAL COMPUTATIONS:
	long long fact[N], inv[N];
	long long KissMe(long long xx, long long yy)
	{
		if (yy == 0LL)
		{
			return 1LL;
		}
		long long Res = KissMe((xx*xx) % (long long)MODULO, yy >> 1);
		if (yy % 2LL == 1LL)
		{
			Res *= xx;
			Res %= (long long)MODULO;
		}
		return Res;
	}
	inline void InitFactInv()
	{
		fact[0] = 1LL;
		for (int i = 1;i < N - 4;i++)
		{
			fact[i] = fact[i - 1] * (long long)i;
			fact[i] %= (long long)MODULO;
		}
		inv[N - 5] = KissMe(fact[N - 5], (long long)(MODULO - 2));
		for (int i = N - 6;i >= 0;i--)
		{
			inv[i] = inv[i + 1] * (long long)(i + 1);
			inv[i] %= (long long)MODULO;
		}
	}
	inline long long Choose(int xx, int yy)
	{
		if (xx < yy)
		{
			return 0LL;
		}
		else if (xx == yy)
		{
			return 1LL;
		}
		long long Res = fact[xx];
		Res *= inv[yy];
		Res %= (long long)MODULO;
		Res *= inv[xx - yy];
		Res %= (long long)MODULO;
		return Res;
	}
	inline long long GridWays(int fx, int fy, int sx = 0, int sy = 0)
	{
		fx -= sx, fy -= sy;
		if (fx < 0 || fy < 0)
		{
			return 0LL;
		}
		long long Res = fact[fx + fy];
		Res *= inv[fx];
		Res %= (long long)MODULO;
		Res *= inv[fy];
		Res %= (long long)MODULO;
		return Res;
	}
}
#endif
// TEMPLATE FINISHES HERE.

int n, l, q;
int pos[N];
int gogo[N][T];

inline int Solve(int uu, int vv, int dep = T - 2)
{
	if (dep == 0)
	{
		return 1;
	}
	while (true)
	{
		if (gogo[uu][dep] > vv)
		{
			dep--;
		}
		else if (gogo[uu][dep] == vv)
		{
			return (1 << dep);
		}
		else
		{
			break;
		}
	}
	return (Solve(gogo[uu][dep], vv, dep - 1) + (1 << dep));
}

int main()
{
	// IMPORTANT: DO NOT OPEN UNLESS AS CONTESTANT.
	// CAUTION: BEWARE OF CONFLICT.
	//using namespace CTMP;

	// REAFFIRM THE FOLLOWING BEFORE CODING.
	// 1. THE ALGORITHM IS CORRECT.
	// 2. THE COMPLEXITY IS PROPER.
	// 3. THE ALGORITHM CANNOT BE SIMPLER.
	// 4. CODING DETAILS WERE CONSIDERED.

	scanf("%d", &n);
	for (int i = 0;i < n;i++)
	{
		scanf("%d", &pos[i]);
	}
	scanf("%d%d", &l, &q);
	for (int i = 0;i < n;i++)
	{
		int nps = lower_bound(pos, pos + n, pos[i] + l) - pos;
		if (nps == n || pos[nps] > pos[i] + l)
		{
			nps--;
		}
		gogo[i][0] = nps;
	}
	for (int len = 1;len < T - 1;len++)
	{
		for (int i = 0;i < n;i++)
		{
			int tmp = gogo[i][len - 1];
			gogo[i][len] = gogo[tmp][len - 1];
		}
	}
	while (q--)
	{
		int uu, vv;
		scanf("%d%d", &uu, &vv);
		uu--, vv--;
		if (uu > vv)
		{
			swap(uu, vv);
		}
		printf("%d\n", Solve(uu, vv));
	}

	// REAFFIRM THE FOLLOWING BEFORE SUBMITTING.
	// 1. THE ARRAYS ARE IN PROPER SIZE.
	// 2. THE CORNER CASES WILL NOT LEAD TO VIOLATION.
	// 3. NO TYPO LIKE N->M EXISTS.
	// 4. THE INPUT/OUTPUT IS IN THE SPECIFIED FORMAT.
	// 5. ALL CATEGORIES DO NOT INTERSECT.
	//system("pause");
	return 0;
}
