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

Ex Input:
Water and humidity is the critical factor for the survival of segmented worms.

Ex Output:
What is the critical factor for the survival of segmented worms?

Ex Input:
Like mitochondria, plastids contain their own dna.

Ex Output:
Like mitochondria, plastids contain their own what?

Ex Input:
The thick tunica media allows muscular arteries to play a leading role in vasoconstriction.

Ex Output:
The thick tunica media allows muscular arteries to play a leading role in what?