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