What kind of sign is the dog on?
The dog is on the stop sign.
     src        edge_attr  dst
0      0   to the left of   28
1      0   to the left of   13
2      0   to the left of    3
3      1  to the right of    2
4      1  to the right of   20
..   ...              ...  ...
122   27  to the right of   22
123   27   to the left of   25
124   27  to the right of   15
125   27  to the right of    6
126   28  to the right of    0

[127 rows x 3 columns]