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

Ex Input:
Sentence: Left unchanged , the supply of skilled workers will dwindle leaving some 5 million jobs vacant by 2018 and won ' t keep pace with the demands of a modern economy or the needs of employers struggling to compete .<sep>Span: unchanged ,

Ex Output:
how can it be changed?

Ex Input:
Sentence: Now , in an ironic turn of events , Chinese companies are looking to manufacture in the United States , lured by lower costs of energy , cotton and land , and wary of rising labor costs in China .<sep>Span: ironic

Ex Output:
Why is it ironic that China is looking to manufacture in the US?

Ex Input:
Sentence: Today ' s budget cuts threaten to shrink the Navy ' s carrier force already reduced from 11 to 10 to as few as eight or nine .<sep>Span: 11 to 10

Ex Output:
What specifically has shrunk from 11 to 10?