Which color is the chair the person is on?
The chair is blue.
    src        edge_attr  dst
0     2             with    8
1     3  to the right of    7
2     6  to the right of    7
3     7   to the left of    3
4     7   to the left of    6
5     7   to the left of    9
6     8               on    2
7     9               on    5
8     9          wearing    4
9     9          wearing    6
10    9  to the right of    7