Is the person that is to the left of the catcher wearing a mask?
Yes, the umpire is wearing a mask.
     src        edge_attr  dst
0      0               on   19
1      0          holding    7
2      0          wearing    6
3      0  to the right of   12
4      0          wearing   11
..   ...              ...  ...
116   25  to the right of    8
117   25  to the right of   14
118   25  to the right of   13
119   25  to the right of    4
120   25  to the right of    5

[121 rows x 3 columns]