Do you see both buses and cars in this photograph?
Yes, there are both a bus and a car.
    src        edge_attr  dst
0     0   on the side of    4
1     0   to the left of    8
2     0   to the left of    3
3     0   to the left of    2
4     0   to the left of    7
5     0   to the left of    6
6     1               on    4
7     1  to the right of    7
8     1  to the right of    2
9     1  to the right of    6
10    1   to the left of   10
11    2  to the right of    0
12    2   to the left of    1
13    2   to the left of    3
14    2   to the left of    7
15    2   to the left of    6
16    3  to the right of    2
17    3  to the right of    0
18    3               on    4
19    3   to the left of   10
20    6   to the left of    1
21    6  to the right of    2
22    6  to the right of    0
23    6   to the left of   10
24    7  to the right of    0
25    7  to the right of    2
26    7   to the left of    1
27    7   to the left of   10
28    8  to the right of    0
29    8               on    5
30    8   to the left of    9
31    8   to the left of   10
32    9  to the right of    8
33   10  to the right of    8
34   10  to the right of    3
35   10  to the right of    6
36   10  to the right of    1
37   10  to the right of    7