TASK DEFINITION: Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.
PROBLEM: Sentence: No birth certificate was issued ; a birth announcement was handwritten into the Currie family Bible .<sep>Span: a birth announcement

SOLUTION: Who wrote the birth announcement?

PROBLEM: Sentence: It was the latest accident in a troubled year for the nation ' s second - biggest commuter railroad , which had never experienced a passenger death in an accident in its 31 - year - history .<sep>Span: It was the latest accident

SOLUTION: How many accidents have their been?

PROBLEM: Sentence: Geologist Erin Argyilan has in the last 10 months studied sediment , analyzed wind patterns and mapped terrain , but she hasn ’ t solved the mystery of the holes that appear and vanish in the beige sands of Mount Baldy at Indiana Dunes National Lakeshore .<sep>Span: studied

SOLUTION:
How did Erin Argylian study this sediment?

