Indicate a text span in the passage about which an inquisitive question is asked. (note, don't answer the question).

Ex Input:
Sentence: Atco Ltd . said its utilities arm is considering building new electric power plants , some valued at more than one billion Canadian dollars ( US $ 851 million ) , in Great Britain and elsewhere .<sep>Question: who are atco. ltd?

Ex Output:
Atco Ltd

Ex Input:
Sentence: White House Budget Director Richard Darman has said he would continue to press to keep the capital - gains provision in the final version of the bill unless the House drops many of its costly provisions .<sep>Question: what are his credentials?

Ex Output:
Richard Darman

Ex Input:
Sentence: Though the play clearly is framed around the events of Iran - Contra , it takes in the wide sweep of scandals over the past 30 years .<sep>Question: What are these scandals?

Ex Output:
wide sweep of scandals