Do you see toilets to the left of the pink towel?
No, there is a child to the left of the towel.
     src        edge_attr  dst
0      0   to the left of   27
1      0   to the left of   25
2      1   to the left of   17
3      1   to the left of   16
4      1   to the left of   10
..   ...              ...  ...
155   28   to the left of   17
156   29   to the left of   28
157   29  to the right of   22
158   29  to the right of    8
159   29   to the left of   16

[160 rows x 3 columns]