Is the long train to the left or to the right of the person?
The train is to the right of the person.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    1
2     0   to the left of    6
3     1   to the left of   22
4     1  to the right of    7
5     1  to the right of    0
6     2  to the right of    7
7     2  to the right of    0
8     3   to the left of    5
9     4  to the right of   12
10    4   to the left of   16
11    4  to the right of   21
12    5  to the right of    3
13    5   to the left of   17
14    5   to the left of    8
15    6  to the right of    7
16    6  to the right of    0
17    7   to the left of    2
18    7   to the left of    1
19    7   to the left of    6
20    7   to the left of   22
21    8   to the left of   19
22    8  to the right of    5
23   10   to the left of   15
24   10               on   11
25   11   to the left of   15
26   12   to the left of    4
27   12   to the left of   16
28   12   to the left of   21
29   13   to the left of   15
30   14   to the left of   15
31   15  to the right of   11
32   15  to the right of   10
33   15  to the right of   14
34   15  to the right of   13
35   16  to the right of   12
36   16  to the right of    4
37   16  to the right of   21
38   17  to the right of    5
39   17   to the left of   19
40   17   to the left of   18
41   18   to the left of   19
42   18  to the right of   17
43   19  to the right of    8
44   19  to the right of   17
45   19  to the right of   18
46   21   to the left of    4
47   21  to the right of   12
48   21   to the left of   16
49   22  to the right of    7
50   22  to the right of    1