What is in the parking lot?
The bus is in the parking lot.
    src        edge_attr  dst
0     0   to the left of    5
1     1  to the right of    7
2     2  to the right of    7
3     3  to the right of    6
4     4  to the right of    7
5     5  to the right of    0
6     5  to the right of    7
7     6   to the left of    3
8     6   to the left of    7
9     7   to the left of    4
10    7  to the right of    6
11    7   to the left of    5
12    7   to the left of    1
13    7   to the left of    2
14    7               in    5