Are both the obstacle and the bowl of the dog made of the same material?
No, the obstacle is made of wood and the bowl is made of metal.
    src        edge_attr  dst
0     0  to the right of   24
1     0   to the left of   14
2     0   to the left of   13
3     0   to the left of   19
4     0  to the right of   18
..  ...              ...  ...
76   22  to the right of    7
77   24   to the left of    0
78   24   to the left of   13
79   24   to the left of   14
80   24   to the left of   17

[81 rows x 3 columns]