A well is most likely used to get drinking water from a river

Question

This is from a science question 

Answer 1

Student,

This is just common sense. If you have access to the river, you get water from the river, and you do not need to dig a well. You dig a well when you are trying to get water from an underground source.

Answer 2

a well is most likely used to get drinking water from the water table beneath land.