Is there a bench that is not made of metal?
No, there is a bench but it is made of metal.
   src        edge_attr  dst
0    0           behind    4
1    0               in    1
2    2           behind    4
3    2  to the right of    4
4    3             near    4
5    4               on    3
6    4      in front of    0
7    4      in front of    2
8    4             near    3
9    4   to the left of    2