question: How long were the original lunar calendars ?
answer: either 12 or 13 lunar months ( either 354 or 384 days )
turker_answer: The original lunar calendars were either 12 or 13 lunar months , or either 354 or 384 days .
rule-based: The original lunar calendars were either 12 or 13 lunar months ( either 354 or 384 days .