What drink is to the right of the salad?
The drink is a smoothie.
    src        edge_attr  dst
0     0               in    9
1     0   to the left of    7
2     1  to the right of    7
3     1   to the left of    3
4     3  to the right of    1
5     3  to the right of    8
6     3  to the right of    7
7     7  to the right of    0
8     7   to the left of    1
9     7   to the left of    3
10    7   to the left of    8
11    7  to the right of    9
12    7               in    5
13    8  to the right of    7
14    8   to the left of    3
15    9   to the left of    7