What do the tree and the pole have in common?
The color, both the tree and the pole are green.
    src        edge_attr  dst
0     0       covered in    3
1     0  to the right of    5
2     0   to the left of    1
3     1  to the right of   10
4     1  to the right of    3
5     1  to the right of    0
6     3   to the left of    1
7     3  to the right of    5
8     5   to the left of    0
9     5  to the right of   11
10    5   to the left of    3
11    6               on    7
12    6         covering   10
13    6         covering    9
14    6               on    9
15    7   to the left of   11
16    7       covered in    6
17    7  to the right of    8
18    8   to the left of    7
19    9       covered by    6
20   10   to the left of    1
21   10       covered by    6
22   11  to the right of    7
23   11   to the left of    5