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

Ex Input:
Passage: Bacteria are responsible for many types of diseases in humans. Answer: diseases

Ex Output:
Bacteria are responsible for many types of what in humans?

Ex Input:
Passage: Young reptiles, like the baby alligator in Figure below , look like smaller versions of the adults. They don't have a larval stage as most amphibians do. Baby reptiles are able to move and search for food but are at high risk of predation. Adult reptiles rarely provide any care for their offspring once the eggs are laid. The only exceptions are female alligators and crocodiles. They defend their eggs and hatchlings from predators and help them reach the water. Answer: larval stage

Ex Output:
What developmental stage do alligators lack that most other amphibians have?

Ex Input:
Passage: Some solutions have special properties because they are acids. Orange juice is an example. It contains an acid called citric acid. It makes orange juice taste sour. Some solutions are bases rather than acids. Answer: citric acid

Ex Output:
What in orange juice makes it taste sour?