What is the plate made of?
The plate is made of wood.
    src        edge_attr  dst
0     0               on    6
1     1               on    6
2     1  to the right of    3
3     2               on    6
4     3               on    6
5     3   to the left of    1
6     4            below    6
7     4        on top of    5
8     4            above    5
9     4            under    6
10    5            below    6
11    5            under    6
12    5            under    4
13    6               on    5
14    6            above    5
15    6        on top of    4
16    6            above    4