What is the floor made of?
The floor is made of wood.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    5
2     1   to the left of    5
3     2  to the right of    6
4     2   to the left of    3
5     3  to the right of    2
6     4      in front of    8
7     5  to the right of    1
8     5  to the right of    7
9     5  to the right of   11
10    5  to the right of    9
11    5  to the right of    0
12    6   to the left of    2
13    7   to the left of    5
14    8           behind    4
15    9   to the left of    5
16   11  to the right of    0
17   11               of    4
18   11   to the left of    5