Are there any keyboards or computer mice that are black?
Yes, the computer mouse is black.
     src        edge_attr  dst
0      0  to the right of   10
1      0  to the right of    3
2      0               on   11
3      1     plugged into    0
4      1  to the right of    3
..   ...              ...  ...
108   15   to the left of   11
109   15           behind    8
110   15           behind    9
111   15   to the left of   13
112   16      in front of   10

[113 rows x 3 columns]