Are the people to the left of the horse wearing hats?
Yes, the people are wearing hats.
    src        edge_attr  dst
0     1  to the right of   12
1     1   to the left of   15
2     1   to the left of    6
3     2  to the right of   15
4     2  to the right of    4
..  ...              ...  ...
85   19  to the right of   12
86   20   to the left of   15
87   20   to the left of    2
88   20  to the right of   12
89   20   to the left of   19

[90 rows x 3 columns]