Do you see either a frisbee or a ball?
Yes, there is a frisbee.
   src        edge_attr  dst
0    0         catching    2
1    0  to the right of    5
2    0   to the left of    2
3    1   to the left of    2
4    2  to the right of    1
5    2  to the right of    0
6    5   to the left of    0