Are the bench and the door made of the same material?
Yes, both the bench and the door are made of wood.
    src        edge_attr  dst
0     1  to the right of    6
1     2   to the left of   10
2     4  to the right of   11
3     4  to the right of   12
4     6   to the left of    1
5     7  to the right of   12
6     7  to the right of   11
7     9   to the left of   11
8     9   to the left of   12
9    10  to the right of   12
10   10  to the right of    2
11   11  to the right of    9
12   11   to the left of    4
13   11   to the left of    7
14   12  to the right of    9
15   12   to the left of    4
16   12   to the left of    7
17   12   to the left of   10