Is the shirt red or blue?
The shirt is red.
     src        edge_attr  dst
0      0  to the right of   37
1      0  to the right of   36
2      0   to the left of    3
3      0   to the left of    1
4      0   to the left of   21
..   ...              ...  ...
168   37   to the left of    0
169   37   to the left of   18
170   37   to the left of    2
171   37  to the right of   36
172   37   to the left of   30

[173 rows x 3 columns]