question: What does a earthworms digestive systme consist of ?
answer: a mouth , pharynx , esophagus , crop , gizzard , and intestine .
turker_answer: An earthworm 's digestive system consists of a mouth , pharynx , esophagus , crop , gizzard , and intestine .
rule-based: A earthworms digestive systme consists of a mouth , pharynx , esophagus , crop , gizzard , and intestine .