question: What does constitute chronic pain ?
answer: `` pain that continues a month or more beyond the usual recovery period for an injury or illness or that goes on for months or years because of a
turker_answer: Chronic pain is constituted by `` pain that continues a month or more beyond the usual recovery period for an injury or illness or that goes on for months or years ''
rule-based: `` pain that continues a month or more beyond the usual recovery period for an injury or illness or that goes on for months or years because of a constitutes chronic pain .