Before the introduction of a formal calendar, farmers would gauge the length of months by observing the lunar 
(farmers; would gauge; the length of months; T:Before the introduction of a formal calendar) Context(farmers would gauge,List([46, 65))):(farmers; would gauge the length of months by observing; the lunar)
farmers would gauge,List([46, 65))
farmers farmers
would gauge would gauge the length of months by observing
the length of months T:Before the introduction of a formal calendar
the lunar