Which kind of food isn't brown?
The food is broccoli.
    src        edge_attr  dst
0     1   to the left of    3
1     3               on    7
2     3  to the right of    9
3     3  to the right of    1
4     3   to the left of    5
5     5  to the right of    3
6     6  to the right of    9
7     7  to the right of    9
8     9   to the left of    6
9     9   to the left of    3
10    9   to the left of    7