What color is the pillow on the chair?
The pillow is green.
    src        edge_attr  dst
0     1   to the left of    2
1     2   to the left of    7
2     2  to the right of    1
3     2   to the left of    5
4     2   to the left of   11
5     2               in    9
6     3               on    8
7     4               on   10
8     5  to the right of    2
9     6               on   11
10    7  to the right of    2
11   11  to the right of    2