Is there a horse in the street?
No, there is a car in the street.
     src        edge_attr  dst
0      0   to the left of   32
1      0   to the left of   12
2      0   to the left of    1
3      0   to the left of   10
4      1  to the right of    0
..   ...              ...  ...
194   40   to the left of   23
195   40   to the left of   20
196   42               on   41
197   43   to the left of   24
198   43   to the left of   25

[199 rows x 3 columns]