Here are two sentences:

The unions also staged a five-day strike in March that forced all but one of Yale 's dining halls to close .

The unions also staged a five-day strike in March ; strikes have preceded eight of the last 10 contracts .

no

Here are two sentences:

Three each came from Africa , Asia and Latin America .

But 62 % of Catholics live in Africa , Asia and Latin America .

no

Here are two sentences:

About $ 250,000 worth of her jewelry was discovered last week at Kennedy International Airport , where it had up and disappeared before a flight to the BET Awards .

An estimated $ 250,000 worth of jewelry belonging to the hip-hop performer was recovered Friday at Kennedy Airport , where it had disappeared June 20 .
yes