What is on the wall?
The painting is on the wall.
    src        edge_attr  dst
0     1               on    4
1     1   to the left of    9
2     1  to the right of    3
3     2               in    6
4     2   to the left of    8
5     3          next to    4
6     3   to the left of    1
7     3             near    4
8     4             near    3
9     6               on    5
10    7               in    6
11    8  to the right of    2
12    8               in    6
13    9  to the right of    1
14    9               on    4