What is the person in front of the umpire wearing?
The catcher is wearing a glove.
    src        edge_attr  dst
0     0          holding    1
1     0  to the right of    7
2     0  to the right of    3
3     2           behind    7
4     2   to the left of    7
5     2   to the left of    3
6     3  to the right of    2
7     3   to the left of    0
8     6   to the left of    7
9     7          wearing    3
10    7      in front of    2
11    7   to the left of    0
12    7  to the right of    6
13    7  to the right of    2