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