What do the shirt and the crosswalk have in common?
The color, both the shirt and the crosswalk are white.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of    0
2     1  to the right of   15
3     1  to the right of   13
4     1  to the right of   21
..  ...              ...  ...
84   21               on    6
85   21   to the left of    7
86   21   to the left of   20
87   21   to the left of   16
88   21   to the left of    1

[89 rows x 3 columns]