Which color is the cat that is catching a bird?
The cat is brown.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of   12
2     0   to the left of    3
3     0   to the left of   14
4     0   to the left of   10
5     1       growing on    1
6     1   to the left of    7
7     1   to the left of   11
8     1   to the left of    8
9     1       hanging on    1
10    1   to the left of   13
11    1   to the left of   15
12    1   to the left of    6
13    1   to the left of    5
14    2   to the left of    9
15    2   to the left of   13
16    2   to the left of    8
17    2               on    1
18    2   to the left of   11
19    2   to the left of    3
20    3  to the right of    0
21    3  to the right of    2
22    3  to the right of    5
23    5   to the left of    3
24    5  to the right of    1
25    6   to the left of   13
26    6   to the left of    9
27    6   to the left of    7
28    6  to the right of    1
29    7   to the left of    9
30    7  to the right of    1
31    7   to the left of   13
32    7  to the right of    6
33    8  to the right of    1
34    8  to the right of    2
35    9  to the right of    0
36    9  to the right of    2
37    9   to the left of   12
38    9  to the right of    6
39    9   to the left of   10
40    9  to the right of    7
41   10         catching    3
42   10  to the right of    9
43   10  to the right of    0
44   10  to the right of   14
45   11  to the right of    2
46   11  to the right of    1
47   12  to the right of    9
48   12  to the right of    0
49   13  to the right of    2
50   13  to the right of    6
51   13  to the right of    1
52   13         catching    3
53   13  to the right of    7
54   14  to the right of    0
55   14   to the left of   10
56   15  to the right of    1
57   15        on top of    4