Is the horse to the left or to the right of the person in the center?
The horse is to the left of the person.
    src        edge_attr  dst
0     0      standing in    1
1     0   to the left of    5
2     0   to the left of    4
3     0   to the left of    8
4     2  to the right of    3
5     3   to the left of    6
6     3   to the left of    2
7     4  to the right of    8
8     4   to the left of    7
9     4  to the right of    5
10    4  to the right of    0
11    5  to the right of    0
12    5  to the right of    8
13    5   to the left of    4
14    6               of    3
15    6  to the right of    3
16    7  to the right of    4
17    8   to the left of    4
18    8  to the right of    0
19    8   to the left of    5