What animal is to the left of the trailer?
The animal is a horse.
     src        edge_attr  dst
0      0   to the left of    6
1      0   to the left of   13
2      0               by   17
3      0   to the left of    9
4      0   to the left of    8
..   ...              ...  ...
102   18  to the right of    4
103   18  to the right of   15
104   19   to the left of   14
105   19   to the left of   13
106   19   to the left of    1

[107 rows x 3 columns]