question: Who is most at risk for the flu and H1N1 ?
answer: the younger population , from 6 months to 24 years ,
turker_answer: The younger population , from 6 months to 24 years , is most at risk for the flu and H1N1 .
rule-based: The younger population , from 6 months to 24 years is most at risk for the flu and H1N1 .