Who is wearing the helmet?
The catcher is wearing a helmet.
    src        edge_attr  dst
0     2   to the left of   11
1     2  to the right of    7
2     4   to the left of   12
3     4  to the right of    5
4     5   to the left of   12
5     5   to the left of    4
6     5   to the left of   13
7     6  to the right of    7
8     7          wearing    6
9     7          wearing    5
10    7   to the left of   11
11    7   to the left of    6
12    7   to the left of   12
13    7   to the left of   13
14    7   to the left of    2
15   11  to the right of    2
16   11  to the right of    7
17   12          wearing   13
18   12          wearing   11
19   12          wearing    6
20   12          holding    2
21   12  to the right of    4
22   12  to the right of    5
23   12  to the right of    7
24   13  to the right of    5
25   13  to the right of    7