What is the vehicle in front of the building that is not short?
The vehicle is a train.
    src        edge_attr  dst
0     0             near    6
1     0      in front of    1
2     0             near    7
3     1           behind    0
4     2  to the right of    7
5     2   to the left of    5
6     3               of    0
7     3  to the right of    7
8     5  to the right of    7
9     5  to the right of    2
10    6             near    0
11    7   to the left of    2
12    7               of    0
13    7   to the left of    5
14    7   to the left of    3
15    7             near    0