Is there a sandwich in the photo?
Yes, there is a sandwich.
   src        edge_attr  dst
0    0          wearing    4
1    0           eating    2
2    0               at    1
3    2               on    6
4    2  to the right of    4
5    3               on    1
6    3  to the right of    6
7    4   to the left of    2
8    6               on    2
9    6   to the left of    3