What kind of device is made of plastic?
The device is a monitor.
    src          edge_attr  dst
0     0    lying on top of    2
1     0    to the right of    4
2     0    to the right of    5
3     0     to the left of    6
4     1     to the left of    9
5     1  sitting on top of    2
6     3    to the right of    5
7     3    to the right of   10
8     4     to the left of   10
9     4     to the left of    0
10    4     to the left of    5
11    5                 on    4
12    5     to the left of    6
13    5     to the left of    0
14    5    to the right of    4
15    5     to the left of    3
16    6    to the right of    0
17    6    to the right of    5
18    9    to the right of    1
19   10    to the right of    4
20   10     to the left of    3