What kind of device is on the floor?
The device is a keyboard.
    src        edge_attr  dst
0     0  to the right of    5
1     1  to the right of    3
2     2               on    6
3     2  to the right of    3
4     3   to the left of    2
5     3   to the left of    5
6     3   to the left of    4
7     3   to the left of    1
8     3               on    6
9     4               on    6
10    4  to the right of    3
11    5   to the left of    0
12    5  to the right of    3