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

Input: Consider Input: Passage: Dermal tissue covers the outside of a plant. It's like the plant's skin. Cells of dermal tissue secrete a waxy substance called cuticle. Cuticle helps prevent water loss and damage to the plant. Answer: cuticle

Output: What do cells of dermal tissue secrete?

Input: Consider Input: Passage: Optical telescopes are designed to collect visible light. The two types of optical telescopes are reflecting telescopes and refracting telescopes. Answer: reflecting and refracting

Output: What are the two types of optical telescopes?

Input: Consider Input: Passage: Before and after the quarter-moon phases are the gibbous and crescent phases. During the crescent moon phase, the Moon is less than half lit. It is seen as only a sliver or crescent shape. During the gibbous moon phase, the Moon is more than half lit. It is not full. The Moon undergoes a complete cycle of phases about every 29.5 days. Answer: gibbous phase
Output: During which phase is the moon more than half lit but not full?