Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: A(n) gastropods is noted for having its eyes at the tips of stalks or tentacles that emerge from its head.

Answer: What type of creature is noted for having its eyes at the tips of stalks or tentacles that emerge from its head?


Question: You call materials that have high resistance to electric current electric insulators.

Answer: What do you call materials that have high resistance to electric current?


Question: Liquid has a definite volume, but not a definite shape.

Answer:
What state of matter has a definite volume, but not a definite shape?