What do both the pole and the canopy have in common?
The material, both the pole and the canopy are wooden.
    src        edge_attr  dst
0     0  to the right of   11
1     0   to the left of    2
2     0  to the right of    1
3     1  to the right of    3
4     1   to the left of    0
5     1  to the right of    7
6     1  to the right of    5
7     1  to the right of   10
8     1   to the left of   11
9     2  to the right of    0
10    2  to the right of   11
11    3   to the left of    5
12    3  to the right of    7
13    3  to the right of   10
14    3   to the left of    1
15    5  to the right of    7
16    5  to the right of   10
17    5   to the left of   11
18    5   to the left of    1
19    5  to the right of    3
20    5    standing near    1
21    6               on    7
22    6   to the left of   12
23    7   to the left of    1
24    7   to the left of   12
25    7   to the left of    9
26    7   to the left of    5
27    7   to the left of    3
28    9               on    7
29    9  to the right of    7
30   10   to the left of    3
31   10   to the left of    1
32   10   to the left of    5
33   11               on    4
34   11  to the right of    1
35   11   to the left of    0
36   11  to the right of    5
37   11   to the left of    2
38   12  to the right of    6
39   12  to the right of    7