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