Is the man to the right of the dog on the left side?
Yes, the man is to the right of the dog.
    src        edge_attr  dst
0     1   to the left of    5
1     1   to the left of   11
2     3   to the left of    9
3     3   to the left of   15
4     5  to the right of    1
5     5  to the right of   14
6     5  to the right of    6
7     5  to the right of   10
8     6   to the left of    5
9     7   to the left of    8
10    8  to the right of    7
11    9         carrying   11
12    9  to the right of   12
13    9  to the right of    3
14   10   to the left of    5
15   11  to the right of    1
16   12   to the left of   15
17   12   to the left of    9
18   14   to the left of    5
19   15  to the right of   12
20   15  to the right of    3