Which kind of appliance is the child behind of?
The child is behind the fridge.
     src        edge_attr  dst
0      0  to the right of   11
1      0  to the right of   10
2      0  to the right of   16
3      0  to the right of    4
4      0  to the right of    3
..   ...              ...  ...
101   16               on    4
102   16   to the left of    6
103   16   to the left of    0
104   16   to the left of   15
105   16  to the right of   14

[106 rows x 3 columns]