In front of what is the cat?
The cat is in front of the suitcase.
   src        edge_attr  dst
0    0          wearing    0
1    0               on    0
2    0      in front of    4
3    1  to the right of    8
4    4           behind    0
5    5  to the right of    7
6    5  to the right of    6
7    6   to the left of    5
8    7   to the left of    5
9    8   to the left of    1