What is in front of the water hose that is to the left of the vegetables?
The shelf is in front of the water hose.
    src        edge_attr  dst
0     1               on   15
1     1   to the left of    2
2     2  to the right of    1
3     2               on   15
4     2  to the right of    9
5     2  to the right of   12
6     3             near   13
7     4   to the left of   16
8     4   to the left of   13
9     9   to the left of    2
10    9               on   15
11    9  to the right of   11
12   11   to the left of    9
13   11   to the left of   12
14   12     seen through   15
15   12   to the left of    2
16   12           behind   15
17   12  to the right of   11
18   13          next to    3
19   13  to the right of    4
20   13  to the right of   15
21   15   to the left of   13
22   15      in front of   12
23   16  to the right of    4