What color is the large truck?
The truck is brown.
    src        edge_attr  dst
0     0  to the right of   11
1     1   to the left of   11
2     1   to the left of   15
3     1   to the left of   14
4     2   to the left of    7
5     2   to the left of   12
6     3  to the right of   12
7     3  to the right of    5
8     3  to the right of    7
9     4   to the left of   13
10    4  to the right of    6
11    4   to the left of   16
12    5   to the left of   12
13    5   to the left of   16
14    5   to the left of   10
15    5   to the left of    7
16    5   to the left of   13
17    5   to the left of    3
18    6   to the left of    4
19    7  to the right of    5
20    7   to the left of    3
21    7   to the left of   10
22    7  to the right of    2
23   10  to the right of    5
24   10  to the right of    7
25   11  to the right of   15
26   11   to the left of    0
27   11  to the right of    1
28   12  to the right of    5
29   12   to the left of    3
30   12               on    7
31   12  to the right of    2
32   13  to the right of    4
33   13  to the right of    5
34   14  to the right of    1
35   15   to the left of   11
36   15  to the right of    1
37   16  to the right of    4
38   16  to the right of    5