Caroling on Main Street Members of Greens Farms Academy’s Harbor Blues, the all-female a capella group, performed carols on Westport’s Main Street today as part of the Westport Downtown Merchants Association’s holiday festivities. (CLICK TO ENLARGE) WestportNow.com photo
Westport has a big holiday festival.
It doesn't say whether westport has a festival or not.  It just says festivities, which means that it could just be a group caroling and not a festival.  The system almost got it correct.
( z1 festival :mod ( z2 holiday ) :mod ( z3 big ) :location ( z4 city :name ( z5 name :op "Westport" ) ) )