What's on the wall?
The fire hydrant is on the wall.
    src        edge_attr  dst
0     0   to the left of   14
1     0  to the right of    5
2     0   to the left of   11
3     1  to the right of    8
4     1  to the right of    7
..  ...              ...  ...
58   17   to the left of   11
59   17   to the left of    1
60   18   to the left of    6
61   18   to the left of   14
62   18   to the left of   11

[63 rows x 3 columns]