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