What is the color of the skateboard the person is to the left of?
The skateboard is blue.
     src        edge_attr  dst
0      0   to the left of   23
1      0   to the left of   21
2      0   to the left of   25
3      0   to the left of   24
4      0   to the left of    9
..   ...              ...  ...
169   29   to the left of   28
170   29   to the left of   16
171   29   to the left of   18
172   29  to the right of    1
173   29   to the left of    3

[174 rows x 3 columns]