Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Ex Input:
As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous cytoplasm.

Ex Output:
As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous what?


Ex Input:
Seed -> young plant -> adult plant sequence shows the order of stages in a plant’s life cycle.

Ex Output:
Which sequence shows the order of stages in a plant’s life cycle?


Ex Input:
Caffeine and alcohol are two examples of a psychoactive.

Ex Output:
Caffeine and alcohol are two examples of what type of drug?