What is in front of the large tree?
The house is in front of the tree.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of   20
2     1   to the left of   20
3     1   to the left of    7
4     2   to the left of    4
..  ...              ...  ...
86   26   to the left of    8
87   26   to the left of   23
88   27   to the left of    7
89   27   to the left of   20
90   28      in front of    3

[91 rows x 3 columns]