What is in front of the tree that is shown in the picture?
The lamp post is in front of the tree.
    src        edge_attr  dst
0     0      in front of    4
1     1  to the right of   10
2     4           behind    0
3     6  to the right of    8
4     6  to the right of    7
5     6  to the right of    9
6     7   to the left of    6
7     7  to the right of    8
8     7  to the right of    9
9     8   to the left of    6
10    8   to the left of    7
11    8   to the left of    9
12    9   to the left of    7
13    9   to the left of    6
14    9  to the right of    8
15   10   to the left of    1