TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: The double helix dna shape forms when the two nucleotide chains wrap around the same axis.

SOLUTION: What distinctive dna shape forms when the two nucleotide chains wrap around the same axis?

PROBLEM: By using fructose can you prevent your ice cream from getting a sandy texture.

SOLUTION: How can you prevent your ice cream from getting a sandy texture?

PROBLEM: When sediments settle out of water, they form horizontal layers.

SOLUTION:
When sediments settle out of water, what do they form?