What does that person wear?
The person wears a helmet.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    1
2     1  to the right of    3
3     1   to the left of    0
4     1  to the right of    8
5     2  to the right of    9
6     2   to the left of    4
7     3   to the left of    0
8     3   to the left of    1
9     4  to the right of    2
10    4  to the right of    9
11    5  to the right of    7
12    6  to the right of   11
13    7          wearing    6
14    7  to the right of   11
15    7  to the right of   13
16    7   to the left of    5
17    8   to the left of    1
18    9               on    8
19    9   to the left of    4
20    9   to the left of    2
21   10  to the right of   12
22   11   to the left of    6
23   11   to the left of    7
24   11  to the right of   12
25   12   to the left of   10
26   12   to the left of   11
27   13   to the left of    7