question: What service area is covered by the BeiDou-1 system ?
answer: from longitude 70 ° E to 140 ° E and from latitude 5 ° N to 55 ° N
turker_answer: The service area from longitude 70 ° E to 140 ° E and from latitude 5 ° N to 55 ° N is covered by the BeiDou-1 system .
rule-based: From longitude 70 ° E to 140 ° E and from latitude 5 ° N to 55 ° N is covered by the BeiDou-1 system .