Are there hats or fences that are black?
Yes, the hat is black.
     src        edge_attr  dst
0      0  to the right of    3
1      1  to the right of    7
2      2   to the left of    7
3      2  to the right of    6
4      3   to the left of    0
..   ...              ...  ...
106   33               on   23
107   33  to the right of   20
108   34   to the left of   30
109   34  to the right of   11
110   34   to the left of   10

[111 rows x 3 columns]