Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.

Example Input: Sentence: But it can be hard for geologists to interpret what they see when they can ’ t agree how old a rock is .<sep>Span: how old a rock is
Example Output: Why does age of the rocks matter?

Example Input: Sentence: The new numbers show what was behind the growth in each state : more babies , more immigrants or more newcomers from other states .<sep>Span: other states .
Example Output: Which other states?

Example Input: Sentence: Ray Rice was let go by the Baltimore Ravens on Monday and suspended indefinitely by the NFL after a video was released that appears to show the running back striking his then - fiancee in February .<sep>Span: appears
Example Output:
Thy does the video say appears to have been striking his then-fiance?

