On which side of the photo is the dark vehicle?
The car is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   13
1     1  to the right of   20
2     1  to the right of    5
3     4   to the left of   11
4     5   to the left of    1
5     7   to the left of   13
6     8  to the right of   17
7     9   to the left of   13
8    11  to the right of    4
9    13  to the right of    9
10   13  to the right of   21
11   13  to the right of    7
12   13  to the right of    0
13   17   to the left of    8
14   19   to the left of   21
15   19       walking on   15
16   20   to the left of    1
17   21  to the right of   19
18   21   to the left of   13