What is the vehicle covered by?
The vehicle is covered by the snow.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    7
2     0   to the left of    9
3     0   to the left of    3
4     0   to the left of    2
5     0   to the left of    4
6     1  to the right of    4
7     1  to the right of    3
8     1  to the right of    6
9     1  to the right of    8
10    2   to the left of    6
11    2   to the left of    8
12    2  to the right of    0
13    2             with    3
14    2   to the left of    4
15    3  to the right of    5
16    3   to the left of    1
17    3  to the right of    0
18    3   to the left of    6
19    3   to the left of    4
20    4  to the right of    7
21    4  to the right of    2
22    4   to the left of    1
23    4  to the right of   12
24    4  to the right of    8
25    4  to the right of    9
26    4  to the right of    0
27    4  to the right of    3
28    5   to the left of    3
29    5               on    0
30    6  to the right of    9
31    6  to the right of    3
32    6  to the right of    8
33    6  to the right of    7
34    6  to the right of    2
35    6   to the left of    1
36    7  to the right of    0
37    7   to the left of    4
38    7   to the left of    6
39    7               on    9
40    8  to the right of    2
41    8   to the left of    4
42    8   to the left of    6
43    8  to the right of    0
44    8   to the left of    1
45    9  to the right of    0
46    9   to the left of    4
47    9   to the left of    6
48   11               on    1
49   12   to the left of    4
50   12       covered by   10