What color is the dog's tail?
The tail is white.
    src        edge_attr  dst
0     2         carrying    7
1     2          holding    7
2     2       running in   10
3     2               on   10
4     3   to the left of    5
5     3   to the left of    6
6     5  to the right of    3
7     5   to the left of    6
8     6  to the right of    3
9     6  to the right of    9
10    6  to the right of    8
11    6  to the right of    5
12    7  to the right of   11
13    8   to the left of    6
14    9   to the left of    6
15   11               on    2
16   11   to the left of    7