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

Ex Input:
Passage: Simple carbohydrates can be classified in terms of chain length. Answer: simple

Ex Output:
Which carbohydrates can be classified in terms of chain length?

Ex Input:
Passage: Not all wetlands are alike, as you can see from Figure below . Wetlands vary in how wet they are and how much of the year they are soaked. Wetlands also vary in the kinds of plants that live in them. This depends mostly on the climate where the wetland is found. Types of wetlands include marshes, swamps, and bogs. Answer: wetlands

Ex Output:
Marshes, swamps, and bogs are types of what?

Ex Input:
Passage: Ribosomes are small organelles and are the site of protein synthesis. Ribosomes are found in all cells. Answer: ribosomes

Ex Output:
What are small organelles and are the site of protein synthesis?