What color does the keyboard that is on the desk have?
The keyboard has blue color.
   src        edge_attr  dst
0    0               on    3
1    1   to the left of    2
2    2  to the right of    1
3    2  to the right of    5
4    2  to the right of    6
5    5   to the left of    2
6    6   to the left of    2