Which color is the helmet he wears?
The helmet is gray.
    src        edge_attr  dst
0     0   to the left of    5
1     0   to the left of   15
2     0   to the left of   14
3     1   to the left of   12
4     1   to the left of   11
5     2  to the right of    6
6     3  to the right of    6
7     3  to the right of   12
8     4  to the right of    8
9     4  to the right of    6
10    4  to the right of   11
11    5   to the left of   17
12    5  to the right of    0
13    6   to the left of   11
14    6   to the left of   12
15    6   to the left of    4
16    6   to the left of    2
17    6   to the left of    3
18    6   to the left of    7
19    6           behind   16
20    7   to the left of   11
21    7  to the right of    6
22    8   to the left of   12
23    8   to the left of   17
24    8   to the left of   11
25    8   to the left of    4
26    9  to the right of   17
27    9  to the right of   12
28    9  to the right of   16
29   11  to the right of    6
30   11  to the right of    8
31   11  to the right of    7
32   11   to the left of    4
33   11  to the right of    1
34   12   to the left of    3
35   12  to the right of    6
36   12  to the right of    1
37   12  to the right of    8
38   12   to the left of    9
39   14  to the right of    0
40   14   to the left of   17
41   15   to the left of   17
42   15  to the right of    0
43   16          wearing    2
44   16          wearing    3
45   16      in front of    6
46   16          wearing   17
47   16          holding    8
48   16   to the left of    9
49   16          wearing   15
50   16          wearing   14
51   17  to the right of   15
52   17  to the right of   14
53   17   to the left of    9
54   17  to the right of    5
55   17  to the right of    8