What is the color of the tape the glass is with?
The tape is blue.
   src        edge_attr  dst
0    0             near    3
1    1               on    2
2    2             near    4
3    2               on    3
4    2  to the right of    4
5    3             near    0
6    4               on    3
7    4   to the left of    2
8    4             near    2
9    5               on    2