Is this a silver car?
Yes, this is a silver car.
    src        edge_attr  dst
0     0   to the left of    4
1     1      in front of    2
2     1  to the right of    6
3     2  to the right of    6
4     2           behind    1
5     3   to the left of    5
6     4  to the right of    0
7     5  to the right of    3
8     6   to the left of    1
9     6   to the left of    2
10    6     covered with    6