Is the ladder to the right or to the left of the man with the necktie?
The ladder is to the right of the man.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of    5
2     0             with    4
3     0  to the right of    2
4     1   to the left of    6
5     1   to the left of    2
6     2  to the right of    1
7     2   to the left of    0
8     2   to the left of    4
9     3  to the right of    0
10    3           beside    6
11    4   to the left of    5
12    4  to the right of    2
13    5  to the right of    4
14    5  to the right of    0
15    5  to the right of    6
16    6   to the left of    5
17    6  to the right of    1