Are there both hats and fences in this scene?
Yes, there are both a hat and a fence.
     src        edge_attr  dst
0      0  to the right of   11
1      0  to the right of   15
2      0   to the left of   13
3      0   to the left of    2
4      0  to the right of    1
..   ...              ...  ...
110   21   to the left of    1
111   22   to the left of    3
112   22   to the left of   14
113   22   to the left of   15
114   22   to the left of   18

[115 rows x 3 columns]