Do the shoes look black?
Yes, the shoes are black.
     src        edge_attr  dst
0      0   to the left of    7
1      0   to the left of   15
2      0   to the left of    2
3      1   to the left of   20
4      1   to the left of   11
..   ...              ...  ...
102   20   to the left of    6
103   20   to the left of   19
104   21  to the right of   12
105   22  to the right of   17
106   22  to the right of    5

[107 rows x 3 columns]