What color is the sweater?
The sweater is blue.
    src        edge_attr  dst
0     0   to the left of    4
1     0  to the right of   25
2     0   to the left of   10
3     1   to the left of   17
4     2  to the right of   15
..  ...              ...  ...
77   23  to the right of    5
78   24   to the left of    5
79   24   to the left of   17
80   25   to the left of   22
81   25   to the left of    0

[82 rows x 3 columns]