What is the color of the vehicle near the man?
The train is yellow.
    src        edge_attr  dst
0     0  to the right of    6
1     1   to the left of    4
2     1  to the right of    6
3     2  to the right of    6
4     4  to the right of    6
5     4             near    7
6     4  to the right of    1
7     6   to the left of   12
8     6   to the left of    0
9     6   to the left of    1
10    6   to the left of    2
11    6   to the left of    7
12    6   to the left of    4
13    7          next to    4
14    7             near    4
15    7          wearing    2
16    7          wearing   12
17    7  to the right of    6
18    7           beside    4
19   12  to the right of    6