Is the grass below a dog?
Yes, the grass is below a dog.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of    2
2     2  to the right of    7
3     2   to the left of    0
4     3   to the left of    7
5     7   to the left of    0
6     7  to the right of    3
7     7   to the left of    2
8     8            under    9
9     8   to the left of    9
10    8            below    9
11    9               on    8
12    9               in    8
13    9  to the right of    8
14    9            above    8