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