Is the tag on a bag?
No, the tag is on a dog.
    src        edge_attr  dst
0     0   to the left of    9
1     0  to the right of    7
2     2               on   12
3     6  to the right of    8
4     7   to the left of    9
5     7   to the left of    0
6     8               on   12
7     8   to the left of    6
8     9  to the right of    7
9     9  to the right of    0
10   10               in    3
11   12               in    3
12   12       sitting in    3