The animal that the collar is on is of what color?
The dog is tan.
   src        edge_attr  dst
0    3               on    4
1    4  to the right of   12
2    4  to the right of    9
3    6   to the left of    8
4    7  to the right of   11
5    8  to the right of    6
6    9   to the left of    4
7   10               on    8
8   11   to the left of    7
9   12   to the left of    4