Who is wearing a helmet?
The batter is wearing a helmet.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of    4
2     0  to the right of    8
3     1  to the right of    4
4     1  to the right of    8
5     1  to the right of    7
6     3   to the left of   10
7     4   to the left of    0
8     4   to the left of    8
9     4   to the left of    1
10    4   to the left of   11
11    4   to the left of   17
12    7   to the left of   17
13    7          wearing    8
14    7               on    2
15    7          wearing    4
16    7   to the left of    0
17    7   to the left of   11
18    7   to the left of    1
19    8   to the left of    0
20    8   to the left of    1
21    8  to the right of    4
22    8   to the left of   17
23   10  to the right of    3
24   10          hitting    6
25   11  to the right of    7
26   11  to the right of    4
27   14               on    2
28   15               on    2
29   16               on    2
30   17          wearing   12
31   17          wearing   11
32   17  to the right of    8
33   17  to the right of    7
34   17          wearing   13
35   17          wearing    0
36   17          wearing    3
37   17         swinging   10
38   17          hitting    6
39   17               on    2
40   17          wearing    1
41   17          holding   10
42   17          wearing    5
43   17  to the right of    4