What is the color of the bench?
The bench is gray.
     src        edge_attr  dst
0      0  to the right of   29
1      0   to the left of    6
2      0   to the left of   21
3      1  to the right of   12
4      1  to the right of   20
..   ...              ...  ...
169   35  to the right of   25
170   35   to the left of   31
171   36  to the right of   25
172   36   to the left of   28
173   36   to the left of    8

[174 rows x 3 columns]