What is in front of the catcher?
The home plate is in front of the catcher.
    src        edge_attr  dst
0     0               on   12
1     1           behind   15
2     1               on   12
3     1         watching    2
4     1   to the left of   13
5     1   to the left of    2
6     1   to the left of   16
7     2            under   16
8     2            below   16
9     2  to the right of    1
10    2  to the right of    4
11    3               on   12
12    4          holding   16
13    4   to the left of   16
14    4   to the left of    2
15    4          hitting    2
16    9               on   12
17   10  to the right of   14
18   13  to the right of   15
19   13      in front of   15
20   13  to the right of    1
21   14               on   12
22   14   to the left of   10
23   14   to the left of   18
24   15   to the left of   13
25   15           behind   13
26   15      in front of    1
27   16  to the right of    1
28   16  to the right of    4
29   16            above    2
30   18         throwing    2
31   18  to the right of   14
32   18               on   17
33   18               on   12