question: Why did construction of Eton Mission cease in 1971 ?
answer: it was decided that a more local project ( at Dorney ) would be more realistic
turker_answer: The construction of Eton Mission ceased in 1971 because a more local project at Dorney was more realistic .
rule-based: Construction of Eton Mission ceased in 1971 because it was decided that a more local project ( at Dorney ) would be more realistic .