question: What efforts were made in 2013 to maintain sustainability ?
answer: cut exports of natural gas and tell major industries to slow output this summer to avoid an energy crisis
turker_answer: In 2013 , efforts were made to maintain sustainability by cutting exports of natural gas , and telling major industries to slow output this summer to avoid an energy crisis .
rule-based: Cut exports of natural gas and tell major industries to slow output this summer to avoid an energy crisis were made in 2013 to maintain sustainability .