What color is the shirt?
The shirt is gray.
    src        edge_attr  dst
0     0   to the left of    4
1     0  to the right of   15
2     0  to the right of   14
3     1  to the right of   14
4     1               on    0
5     1  to the right of   15
6     1  to the right of    5
7     1   to the left of    4
8     2   to the left of    4
9     4           behind    5
10    4  to the right of    6
11    4  to the right of    7
12    4  to the right of    9
13    4  to the right of   10
14    4  to the right of   12
15    4  to the right of    0
16    4  to the right of    2
17    4  to the right of    1
18    4  to the right of    5
19    5   to the left of    1
20    5   to the left of    4
21    5  to the right of   14
22    5      in front of   15
23    5      in front of    4
24    6   to the left of    4
25    6  to the right of   15
26    6  to the right of   14
27    7  to the right of   14
28    7   to the left of    4
29    8   to the left of   13
30    9  to the right of   14
31    9  to the right of   15
32    9   to the left of    4
33   10   to the left of    4
34   10  to the right of   14
35   11   to the left of   12
36   12  to the right of   11
37   12   to the left of    4
38   13  to the right of   15
39   13  to the right of    8
40   14   to the left of    7
41   14   to the left of    9
42   14   to the left of   10
43   14   to the left of    0
44   14   to the left of    1
45   14   to the left of    5
46   14   to the left of    6
47   15           behind    5
48   15   to the left of    9
49   15   to the left of    6
50   15   to the left of    1
51   15   to the left of    0
52   15   to the left of   13