Is the man to the left or to the right of the knife?
The man is to the right of the knife.
     src        edge_attr  dst
0      0   to the left of   18
1      0   to the left of   13
2      0   to the left of   25
3      0   to the left of   26
4      0   to the left of   27
..   ...              ...  ...
175   27   to the left of   20
176   27  to the right of   12
177   27  to the right of   18
178   27  to the right of   16
179   27  to the right of    9

[180 rows x 3 columns]