Given a scientific passage and an answer, generate a question for the given answer.

Input: Consider Input: Passage: Gene expression and protein synthesis are usually considered the same molecular process. Answer: protein synthesis

Output: Gene expression and what else are usually considered the same molecular process?

Input: Consider Input: Passage: Wavelength is one way of measuring the size of waves. It is the distance between two corresponding points on adjacent waves, and it is usually measured in meters. How it is measured is a little different for transverse and longitudinal waves. Answer: waves

Output: What do wavelengths measure the size of?

Input: Consider Input: Passage: Radar maps of Venus show that it has mountains, canyons and volcanoes surrounded by plains of lava. Answer: lava
Output: Radar maps of venus show that it has mountains, canyons and volcanoes surrounded by plains of what?