Do the wall and the water hose have the same color?
Yes, both the wall and the water hose are blue.
   src        edge_attr  dst
0    0  to the right of    5
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 left of    7
5    5   to the left of    7
6    5   to the left of    0
7    5   to the left of    2
8    7  to the right of    5
9    7  to the right of    2