Is the banana that is to the right of the other bananas ripe or unripe?
The banana is ripe.
    src        edge_attr  dst
0     0  to the right of   12
1     1               on   10
2     1  to the right of    9
3     2   to the left of    4
4     4  to the right of    2
5     5  to the right of   15
6     5   to the left of   12
7     5   to the left of   10
8     5  to the right of   11
9     5               on   15
10    7  to the right of    8
11    8   to the left of    7
12    9               on    7
13    9   to the left of    1
14   10  to the right of    5
15   11   to the left of    5
16   12               by   14
17   12   to the left of    0
18   12  to the right of    5
19   15   to the left of    5