Do you see any green balls or benches?
Yes, there is a green bench.
   src        edge_attr  dst
0    0          wearing    1
1    2   to the left of    3
2    3  to the right of    2
3    3   to the left of    5
4    5  to the right of    3
5    5  to the right of    9
6    5  to the right of    7
7    7   to the left of    5
8    9   to the left of    5