Who is in front of the building?
The people are in front of the building.
    src        edge_attr  dst
0     0               on    5
1     0   to the left of    9
2     0   to the left of    2
3     1  to the right of   10
4     1  to the right of    5
5     2          wearing    1
6     2           behind    2
7     2          wearing    9
8     2      in front of   10
9     2      in front of    2
10    2  to the right of   10
11    2          wearing   11
12    2          wearing    3
13    2  to the right of    5
14    2  to the right of    0
15    3  to the right of    5
16    4   to the left of    8
17    4   to the left of    7
18    4  to the right of    5
19    4  to the right of   10
20    5   to the left of    4
21    5   to the left of    3
22    5   to the left of    2
23    5   to the left of    1
24    7  to the right of    9
25    7  to the right of    4
26    8  to the right of    9
27    8  to the right of    4
28    9   to the left of    7
29    9  to the right of    0
30    9   to the left of    8
31   10   to the left of    4
32   10   to the left of    2
33   10   to the left of    1
34   10           behind    2
35   13               in   16