Is the red traffic light to the left or to the right of the bus?
The signal light is to the left of the bus.
    src        edge_attr  dst
0     0   to the left of   10
1     0  to the right of    2
2     0  to the right of    7
3     0  to the right of    6
4     0   to the left of    8
5     1   to the left of    8
6     2   to the left of    0
7     2   to the left of    8
8     3   to the left of    5
9     5  to the right of    3
10    5   to the left of   11
11    6  to the right of    7
12    6   to the left of    0
13    6   to the left of    8
14    7   to the left of    0
15    7   to the left of   11
16    7   to the left of    8
17    7   to the left of    6
18    8  to the right of    9
19    8  to the right of    0
20    8  to the right of    2
21    8  to the right of    6
22    8  to the right of    1
23    8  to the right of    7
24    8               in    5
25    9               in    7
26    9   to the left of    8
27   10  to the right of    0
28   11  to the right of    7
29   11  to the right of    5