Is the train station made of wood?
Yes, the train station is made of wood.
    src        edge_attr  dst
0     0   to the left of    9
1     1   to the left of   12
2     1  to the right of   16
3     1   to the left of    6
4     1   to the left of   13
5     1  to the right of    8
6     1  to the right of    2
7     2   to the left of    3
8     2   to the left of    7
9     2   to the left of    1
10    3  to the right of    2
11    3   to the left of    6
12    3  to the right of    7
13    5  to the right of    9
14    5  to the right of   14
15    6             with   12
16    6  to the right of    3
17    6  to the right of    1
18    7  to the right of    2
19    7   to the left of    3
20    8   to the left of    1
21    9  to the right of    0
22    9  to the right of   11
23    9  to the right of   17
24    9   to the left of    5
25   11   to the left of    9
26   11  to the right of   17
27   12  to the right of    1
28   13  to the right of    1
29   14   to the left of    5
30   16   to the left of    1
31   17   to the left of    9
32   17   to the left of   11