Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Input: Consider Input: Dig a well allows people to access water in an aquifer that does not flow from a spring or a geyser.

Output: How can people access water in an aquifer that does not flow from a spring or a geyser?


Input: Consider Input: A frog develops (a/an) lungs as it changes from a tadpole to an adult frog.

Output: Which of the following structures does a frog develop as it changes from a tadpole to an adult frog?


Input: Consider Input: The bones of the newborn skull are not fully ossified and are separated by large areas called fontanelles.
Output: The bones of the newborn skull are not fully ossified and are separated by large areas called what?