What animal is taller than the person?
The horse is taller than the person.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    1
2     1   to the left of    3
3     1  to the right of    0
4     3  to the right of    1
5     3  to the right of    7
6     3  to the right of    4
7     4  to the right of    0
8     4   to the left of    3
9     7      taller than    0
10    7   to the left of    3