What is the vehicle to the right of the house?
The vehicle is a train.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of    2
2     0            above    3
3     1   to the left of    7
4     1  to the right of    4
5     1   to the left of    8
6     1   to the left of    3
7     2   to the left of    0
8     2   to the left of    8
9     2   to the left of    3
10    2             near    4
11    3  to the right of    2
12    3  to the right of    1
13    3  to the right of    4
14    4   to the left of    8
15    4             near    2
16    4   to the left of    1
17    4   to the left of    0
18    4   to the left of    3
19    7  to the right of    1
20    8               by    1
21    8  to the right of    1
22    8  to the right of    2
23    8  to the right of    4