Is there a fence or a hat that is blue?
Yes, the hat is blue.
    src        edge_attr  dst
0     0           behind    8
1     1  to the right of   18
2     1  to the right of   17
3     1   to the left of    9
4     1  to the right of   19
..  ...              ...  ...
81   22   to the left of    4
82   22   to the left of    2
83   23   to the left of   18
84   23  to the right of    3
85   23   to the left of    1

[86 rows x 3 columns]