On which side of the picture is the red truck, the right or the left?
The truck is on the left of the image.
    src        edge_attr  dst
0     1  to the right of   13
1     1   to the left of    4
2     1  to the right of   15
3     2               in   13
4     2   to the left of   14
5     2   to the left of    6
6     3   to the left of   18
7     3  to the right of   12
8     3   to the left of   11
9     4  to the right of   16
10    4  to the right of    1
11    5  to the right of   13
12    6  to the right of   14
13    6  to the right of    2
14    6             near   14
15    7               on    0
16    7   to the left of   10
17    8  to the right of   13
18   10  to the right of    7
19   11  to the right of    3
20   11  to the right of   15
21   11  to the right of   13
22   12   to the left of    3
23   12   to the left of   18
24   13   to the left of    5
25   13   to the left of    8
26   13   to the left of   11
27   13   to the left of    1
28   13   to the left of   18
29   14             near    6
30   14  to the right of    2
31   14   to the left of    6
32   15   to the left of   11
33   15   to the left of    1
34   16   to the left of    4
35   18  to the right of   12
36   18  to the right of   13
37   18  to the right of    3