How does the dress look, black or purple?
The dress is purple.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of   12
2     0  to the right of   14
3     0  to the right of   15
4     0  to the right of    3
..  ...              ...  ...
65   15  to the right of    3
66   15   to the left of    0
67   15   to the left of    6
68   15   to the left of   12
69   15   to the left of    5

[70 rows x 3 columns]