1.   A candle burning in weightlessness, experts reasoned, would snuff itself out quickly.

2.   Experts reason that as wives have flooded the workplace, husbands have had to take on responsibility at home while finding ways to put in work hours.

3.   If so, cancer experts reasoned, the diet might protect them from colon cancer.

4.   No matter how good the interceptors, experts reasoned, these single sites would be unable to defend large territories.