Are there any apples or peaches that are not red?
No, there is an apple but it is red.
   src        edge_attr  dst
0    1   to the left of    8
1    2  to the right of    5
2    4   to the left of    5
3    5  to the right of    4
4    5   to the left of    2
5    8  to the right of    1