question: What is one reason the US would be interested in Greenland ?
answer: the vast expected hydrocarbons off the Greenlandic coast .
turker_answer: The vast expected hydrocarbons off the Greenlandic coast is one reason the US would be interested in Greenland .
rule-based: The vast expected hydrocarbons off the Greenlandic coast is one reason the US would be interested in Greenland .