Are there any green cans or plates?
No, there is a plate but it is white.
   src        edge_attr  dst
0    1  to the right of   14
1    2  standing behind    3
2    2          wearing    1
3    2          wearing    0
4    2  to the right of   14
5    2      in front of    9
6    9           behind    2
7   11               on   12
8   14   to the left of    2
9   14   to the left of    1