Is the van red?
Yes, the van is red.
     src        edge_attr  dst
0      0   to the left of    6
1      0   to the left of   21
2      0   to the left of    3
3      0   to the left of   12
4      0   to the left of   10
..   ...              ...  ...
101   22   on the side of    5
102   22               on    5
103   22  to the right of   17
104   22   to the left of    2
105   22  to the right of    1

[106 rows x 3 columns]