What is that cat in front of?
The cat is in front of the pillow.
    src        edge_attr  dst
0     0               of    6
1     1  to the right of    3
2     1               of    6
3     3   to the left of    1
4     4               of    6
5     5               of    6
6     5  to the right of   12
7     6      in front of    8
8     7               of    6
9     8           behind    6
10    8               of    6
11   10               of    6
12   12   to the left of    5
13   12               of    6