instruction:
Indicate a text span in the passage about which an inquisitive question is asked. (note, don't answer the question).
question:
Sentence: I had underestimated , however , both Mr . Gelbart ' s wit and the persistence of scandal in Washington .<sep>Question: Who is Mr. Gelbart?
answer:
Mr . Gelbart ' s

question:
Sentence: Weatherford said market conditions led to the cancellation of the planned exchange .<sep>Question: What are these market conditions that make the cancellation happen?
answer:
market conditions

question:
Sentence: The exchange ratio was never established .<sep>Question: why not established?
answer:
ratio was never established