What kind of device is above the animal to the right of the mattress?
The device is a computer.
    src        edge_attr  dst
0     0  to the right of   11
1     0   to the left of   10
2     0   to the left of   19
3     0               of    8
4     1  to the right of   16
..  ...              ...  ...
72   19  to the right of   15
73   19  to the right of    4
74   20   to the left of   10
75   20   to the left of    9
76   20   to the left of   19

[77 rows x 3 columns]