Is the umbrella to the right or to the left of the vehicle on the road?
The umbrella is to the left of the bus.
    src        edge_attr  dst
0     1  to the right of    2
1     2   to the left of    3
2     2   to the left of    7
3     2   to the left of    5
4     2   to the left of    1
5     2   to the left of    6
6     3   to the left of    6
7     3  to the right of    2
8     5  to the right of    7
9     5  to the right of    2
10    6               on    1
11    6  to the right of    2
12    6  to the right of    3
13    7   to the left of    5
14    7  to the right of    2