What is the player holding?
The player is holding the tennis racket.
    src        edge_attr  dst
0     0         swinging    1
1     0   to the left of    6
2     1          hitting    6
3     1   to the left of    6
4     2           behind    5
5     2           behind    4
6     3   to the left of    4
7     4  on the front of    2
8     4      in front of    2
9     4  to the right of    3
10    4  to the right of    5
11    5          holding    1
12    5         swinging    1
13    5      in front of    2
14    5       looking at    6
15    5   to the left of    6
16    5   to the left of    4
17    6  to the right of    0
18    6  to the right of    1
19    6  to the right of    5