Read the passage.
The dog is presented with a tray with a blue block on it; underneath the block is a treat. The animal moves the block and gets the treat.

Which is the best inference to make?

The dog moves the block because it wants a treat.

Explanation:

The dog simply sniffed out the treat and moved the blue block over so he could get the treat.

the eye wink at the hand; yet let that be / which the eye fears, when it is done, to see.

greywater is gently used water from your bathroom sinks, showers, tubs, and washing machines. it is not water that has come into contact with feces, either from the toilet or from washing diapers. greywater may contain traces of dirt, food, grease, hair, and certain household cleaning products.