Is the man to the right of a truck?
Yes, the man is to the right of a truck.
     src        edge_attr  dst
0      1  to the right of   21
1      1  to the right of   28
2      1  to the right of   33
3      1  to the right of   29
4      1  to the right of   17
..   ...              ...  ...
196   34   to the left of   14
197   34   to the left of   13
198   34   to the left of   12
199   34   to the left of   11
200   35   to the left of   19

[201 rows x 3 columns]