What color is the tee shirt?
The tee shirt is gray.
    src        edge_attr  dst
0     0   to the left of   10
1     0  to the right of    4
2     1   to the left of   10
3     2   to the left of   10
4     2  to the right of    3
..  ...              ...  ...
63   19   to the left of   14
64   20   to the left of   10
65   20   to the left of    8
66   20   to the left of   14
67   20  to the right of    6

[68 rows x 3 columns]