question: What are the 3 tiers of school
answer: a three-tier system of first , middle and upper schools in the Cheddar Valley , and in West Somerset
turker_answer: The 3 tiers of school are a three-tier system of first , middle and upper schools in the Cheddar Valley , and in West Somerset
rule-based: The 3 tiers of school are a three-tier system of first , middle and upper schools in the Cheddar Valley , and in West Somerset