Where is the animal to the right of the man standing on?
The dog is standing on the beach.
    src         edge_attr  dst
0     0   to the right of    3
1     0       standing on    5
2     0   to the right of    6
3     0                on    5
4     0        walking on    5
5     1         flying in   13
6     3           holding    4
7     3       standing on    5
8     3                on    5
9     3  standing next to    0
10    3        walking on    5
11    3       in front of    4
12    3    to the left of    0
13    3   to the right of    6
14    4            behind    3
15    4              near    5
16    5              near    4
17    6    to the left of    0
18    6    to the left of    3
19   11                in   10
20   14                in   13