A young girl cleaning rocks with a toothbrush and a bucket of water .
A young girl cleans objects with water
A young girl cleaning rocks with a toothbrush and a bucket of water.
A young girl cleans objects with water
Rocks are objects, and if the bucket were being used to clean the objects with something other than water, it would not be "a bucket of water".
Rocks are objects , and if the bucket were being used to clean the objects with something other than water , it would not be `` a bucket of water '' .