Question

A writer wants to make the following claim:

Because of the lessons we have learned about careful water use, restrictions on the watering of lawns in Springdale should continue even after the drought ends.

Which of the following would provide the most convincing support for this claim?

Interviews with people who water their lawns too much and do more harm than good
A community survey that states the majority of people support the lawn watering restrictions
Evidence that restrictions effectively save significant amounts of water
A claim by the homeowners' association that the res