Who wears a hat?
The people wear a hat.
     src        edge_attr  dst
0      0   to the left of   13
1      0  to the right of    9
2      0  to the right of   22
3      0  to the right of   21
4      0  to the right of   15
..   ...              ...  ...
132   28  to the right of   18
133   28   to the left of    2
134   28  to the right of   12
135   29   to the left of   23
136   29   to the left of   22

[137 rows x 3 columns]