Does the lettuce have a different color than the soda?
No, both the lettuce and the soda are green.
    src        edge_attr  dst
0     1               on    4
1     1   to the left of    2
2     2               on    4
3     2  to the right of   10
4     2  to the right of    1
5     3  to the right of    7
6     3  to the right of    8
7     3   to the left of    6
8     6  to the right of    7
9     6               of    2
10    6  to the right of    3
11    6  to the right of   10
12    7   to the left of    6
13    7           behind    1
14    7  to the right of    8
15    7   to the left of    3
16    8   to the left of    7
17    8   to the left of    3
18    9               in   11
19   10   to the left of    6
20   10   to the left of    2
21   10               on    4
22   12               on    0
23   12          next to   13
24   12             near   13
25   13               in   14
26   13             near   12
27   13               on   14
28   14             with   13