Are there any white printers or cell phones?
No, there is a cell phone but it is black.
    src        edge_attr  dst
0     0  to the right of    2
1     0          next to    4
2     0          holding    0
3     0   to the left of   10
4     1  to the right of    7
5     1  to the right of    4
6     2   to the left of   10
7     2   to the left of    0
8     3   to the left of   10
9     4             near    6
10    4   to the left of    1
11    4             near    0
12    6               on    5
13    6          next to    4
14    7   to the left of    1
15    8        on top of    6
16    9               on   11
17   10  to the right of    0
18   10  to the right of    2
19   10  to the right of    3