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