Do you see paper plates or cups in this photo?
Yes, there is a paper plate.
   src        edge_attr  dst
0    4               on    0
1    4   to the left of    6
2    4   to the left of    7
3    4  to the right of    5
4    5   to the left of    4
5    6  to the right of    4
6    7  to the right of    4