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