What is in front of the building?
The car is in front of the building.
    src        edge_attr  dst
0     1      in front of    2
1     1   to the left of    7
2     1   to the left of    5
3     1   to the left of    3
4     2           behind    5
5     2   to the left of    3
6     2           behind    1
7     3  to the right of    2
8     3  to the right of    1
9     5  to the right of    1
10    5      in front of    2
11    7  to the right of    1
12    8               on    7
13    8          wearing    6
14    8         drinking    4