How tall is the grass near the tree?
The grass is tall.
    src        edge_attr  dst
0     0      standing in    1
1     0               in    1
2     0           behind    7
3     0       sitting in    1
4     0  to the right of    6
5     0   to the left of    3
6     1             near    6
7     2  to the right of    6
8     2   to the left of    3
9     3  to the right of    2
10    3  to the right of    0
11    3  to the right of    6
12    3  to the right of    5
13    5   to the left of    3
14    6             near    1
15    6   to the left of    2
16    6   to the left of    0
17    6   to the left of    3
18    7      in front of    0