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 concave lens is thicker at the edges than it is in the middle.

Answer: What type of lens is thicker at the edges than it is in the middle?


Question: Some plants have stolons, or stems, that run along the ground and are commonly called runners.

Answer: Some plants have stolons, or stems, that run along the ground and are commonly called what?


Question: An individual grows quickly and develops new abilities during their infancy and childhood.

Answer:
An individual grows quickly and develops new abilities during infancy and?