instruction:
Given a statement, generate a question such that the answer is contained in that statement.
question:
Closely observing other planets requires a telescope
answer:
What type of telescope is required for close observation of other planets?


question:
all cells have cellular material inside the plasma wall
answer:
What wall does all cells have cellular material inside?


question:
Cold temperatures are used to preserve easily spoiled foods.
answer:

What is used to preserve easily spoiled foods?