Is the guy to the left of the backpack wearing glasses?
Yes, the guy is wearing glasses.
    src        edge_attr  dst
0     0  to the right of    2
1     0   to the left of    1
2     0  to the right of   20
3     0   to the left of   18
4     0  to the right of    5
..  ...              ...  ...
92   20   to the left of   14
93   20  to the right of    5
94   20  to the right of    9
95   22   to the left of   18
96   22   to the left of   10

[97 rows x 3 columns]