Is the shelf to the right or to the left of the man on the left side?
The shelf is to the right of the man.
     src        edge_attr  dst
0      0   to the left of   31
1      0  to the right of    9
2      1   to the left of   37
3      1   to the left of   22
4      1   to the left of   38
..   ...              ...  ...
218   47  to the right of    1
219   48  to the right of    1
220   48  to the right of    4
221   48   to the left of   42
222   48  to the right of   17

[223 rows x 3 columns]