Which color is the chair on the left side?
The chair is yellow.
     src        edge_attr  dst
0      0               on   15
1      0   to the left of   20
2      0   to the left of    9
3      0  to the right of    2
4      0   to the left of   10
..   ...              ...  ...
96    20               on   15
97    20  to the right of    0
98    20  to the right of    2
99    20   to the left of   10
100   21   to the left of    7

[101 rows x 3 columns]