On which side is the green vegetable?
The lettuce is on the right of the image.
    src        edge_attr  dst
0     0               on    5
1     0  to the right of   13
2     1   to the left of   10
3     1   to the left of    6
4     1               in    4
5     2   to the left of   10
6     2               on    9
7     2   on the side of    9
8     3               in    4
9     3   to the left of    6
10    4   to the left of    5
11    4   to the left of    7
12    4   to the left of    6
13    5            under    9
14    5            below    9
15    5  to the right of    4
16    6  to the right of    3
17    6  to the right of    1
18    6  to the right of    4
19    7               in    6
20    7  to the right of    4
21    8               in   10
22    8  to the right of   12
23    9            above    5
24   10  to the right of   12
25   10  to the right of    2
26   10  to the right of    1
27   10               on    9
28   11   to the left of   12
29   11               on    9
30   12   to the left of    8
31   12   to the left of   10
32   12  to the right of   11
33   13   to the left of    0