Do you see any boys to the left of the person in the middle of the photo?
Yes, there is a boy to the left of the person.
     src        edge_attr  dst
0      0   to the left of   39
1      0   to the left of   21
2      0   to the left of   32
3      0   to the left of    6
4      0   to the left of   15
..   ...              ...  ...
416   41  to the right of   32
417   42   to the left of   18
418   42   to the left of   19
419   42   to the left of   33
420   42   to the left of   32

[421 rows x 3 columns]