What is the door behind of, a dog or a cat?
The door is behind a dog.
    src        edge_attr  dst
0     0  to the right of    4
1     2   to the left of   10
2     2  to the right of    8
3     2   to the left of    7
4     3  to the right of    4
5     4   to the left of    8
6     4   to the left of    3
7     4   to the left of    0
8     5  to the right of    8
9     6           behind    8
10    7  to the right of    8
11    7  to the right of    2
12    7               on    5
13    7   to the left of   10
14    8          wearing    4
15    8      in front of    6
16    8   to the left of    7
17    8   to the left of   10
18    8         carrying    4
19    8   to the left of    2
20    8   to the left of    5
21    8  to the right of    4
22   10  to the right of    8
23   10  to the right of    7
24   10               on    5
25   10  to the right of    2