What is the name of the device that is black?
The device is a laptop.
    src        edge_attr  dst
0     0  to the right of   13
1     0  to the right of   10
2     2   to the left of   11
3     3  to the right of    4
4     3               on    1
5     4   to the left of    3
6     6  to the right of   12
7    10               on   13
8    10   to the left of    0
9    11               on    1
10   11  to the right of    2
11   11               of   11
12   12   to the left of    6
13   13   to the left of    0