Is the open food to the left or to the right of the cup?
The food is to the left of the cup.
    src        edge_attr  dst
0     2  to the right of    7
1     3  to the right of    7
2     5  to the right of    8
3     5  to the right of    7
4     7               in    8
5     7   to the left of    3
6     7               on   10
7     7   to the left of    9
8     7   to the left of    5
9     7   to the left of    2
10    8   to the left of    9
11    8   to the left of    5
12    9  to the right of    7
13    9  to the right of    8