Which color is the water hose?
The water hose is green.
    src        edge_attr  dst
0     0               on   12
1     0  to the right of    3
2     0   to the left of   11
3     1  to the right of    2
4     2   to the left of    1
5     3   to the left of    0
6     3   to the left of   12
7     4               on    8
8     4               in    3
9     4   to the left of   12
10    4           behind   12
11    9   to the left of   13
12   11  to the right of    0
13   12  to the right of    4
14   12   to the left of   13
15   12  to the right of    3
16   12      in front of    4
17   12               on    7
18   13  to the right of    9
19   13  to the right of   12