What does the person hit?
The player hits the tennis ball.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    4
2     0  to the right of    6
3     0   to the left of   14
4     0   to the left of   15
5     0   to the left of    5
6     0   to the left of   13
7     2  to the right of    6
8     2  to the right of    9
9     2  to the right of    0
10    4  to the right of    0
11    4  to the right of    6
12    4  to the right of    9
13    5  to the right of    6
14    5  to the right of    0
15    5  to the right of    9
16    6          hitting   11
17    6   to the left of   14
18    6   to the left of   13
19    6   to the left of   15
20    6   to the left of    4
21    6   to the left of    2
22    6   to the left of    0
23    6   to the left of    5
24    7  to the right of    9
25    8          wearing    9
26    8         swinging    6
27    8          wearing   12
28    8          holding    6
29    8          hitting   11
30    9   to the left of   16
31    9   to the left of    2
32    9   to the left of    5
33    9   to the left of    4
34    9   to the left of   13
35    9   to the left of    7
36    9   to the left of   15
37    9   to the left of   14
38   11   to the left of   14
39   13               on    2
40   13  to the right of    9
41   13  to the right of    0
42   13  to the right of    6
43   14  to the right of    9
44   14  to the right of    0
45   14  to the right of   11
46   14  to the right of    6
47   15           around    5
48   15  to the right of    0
49   15  to the right of    6
50   15  to the right of    9
51   15               on    5
52   16               in    7
53   16  to the right of    9