TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Mucous does the esophagus produce for lubrication.

SOLUTION: What does the esophagus produce for lubrication?

PROBLEM: The amniotic egg first evolved in reptiles.

SOLUTION: The amniotic egg first evolved in what species?

PROBLEM: The impact of evaporative loss of the most energetic water molecules from a surface has the impact that it cools it.

SOLUTION:
The evaporative loss of the most energetic water molecules does what to a surface?