On which side of the picture is the lettuce?
The lettuce is on the left of the image.
    src        edge_attr  dst
0     1   to the left of   13
1     2  to the right of    9
2     2   to the left of   14
3     3  to the right of   18
4     3  to the right of    5
5     3  to the right of   13
6     5   to the left of    3
7     5   to the left of   14
8     6  to the right of   16
9     6   to the left of    7
10    6  to the right of    8
11    6  to the right of   15
12    6   to the left of   19
13    7  to the right of    6
14    7  to the right of    8
15    7   to the left of   19
16    7  to the right of   15
17    7  to the right of   16
18    8   to the left of    7
19    8   to the left of    6
20    8   to the left of   15
21    8  to the right of   16
22    8   to the left of   19
23    9   to the left of   12
24    9  leaning against   11
25    9   to the left of   14
26    9   to the left of    2
27   10   to the left of   13
28   12   to the left of   14
29   12  to the right of    9
30   13   to the left of    3
31   13  to the right of    1
32   13  to the right of   10
33   13   to the left of   14
34   14  to the right of   13
35   14  to the right of    5
36   14  to the right of   12
37   14  to the right of    2
38   14  to the right of    9
39   14  to the right of   18
40   15  to the right of    8
41   15   to the left of    7
42   15   to the left of   19
43   15  to the right of   16
44   15   to the left of    6
45   16   to the left of    8
46   16   to the left of    6
47   16   to the left of    7
48   16   to the left of   15
49   16   to the left of   19
50   18   to the left of    3
51   18   to the left of   14
52   19  to the right of   16
53   19  to the right of    8
54   19  to the right of   15
55   19  to the right of    7
56   19  to the right of    6