Which kind of clothing is black?
The clothing is an apron.
    src        edge_attr  dst
0     1   to the left of   21
1     1   to the left of    3
2     1   to the left of   19
3     1   to the left of    4
4     3  to the right of    1
..  ...              ...  ...
64   21  to the right of   20
65   21   to the left of   12
66   22  to the right of    7
67   22   to the left of   17
68   22   to the left of   18

[69 rows x 3 columns]