question: What did a 2008 US Pew Forum on Religion & Public Life survey discover about Jehovah 's Witnesses ' retention rate ?
answer: low
turker_answer: A 2008 US Pew Forum on Religion & Public Life survey discovered the Jehovah 's Witnesses ' retention rate was low .
rule-based: A 2008 US Pew Forum on Religion & Public Life survey discovered low about Jehovah 's Witnesses ' retention rate .