Are there any towers near the green tree?
Yes, there is a tower near the tree.
    src        edge_attr  dst
0     0  to the right of    1
1     1          next to    3
2     1             near    3
3     1   to the left of    2
4     1   to the left of    4
5     1   to the left of    0
6     1      in front of    3
7     2               on    3
8     2  to the right of    1
9     3           behind    1
10    3             near    1
11    4  to the right of    1
12    4               on    3
13    6               on    3
14    6               of    3