41.   The prime reasons?

42.   The prime reason for living a long time is to keep the pharmaceutical houses in business.

43.   The prime reason for the price hike is the increased demand for ethanol.

44.   The prime reason travelers head to Europe is for its culture.

45.   The prime reason condoms fail is because of misuse.

46.   The prime reason for such domination has been Johnson, the unmatchable talent.

47.   The prime reason, he said, is because the original mortgage may be needed if the lien against the property has not been recorded as removed.

48.   War is the prime reason for the failure to vaccinate children in Angola and the Congo.

49.   While the economy was the prime reason that health-care reform failed to catch fire, other secondary factors contributed to its demise.

50.   Yet experts suspect that two prime reasons may be immigration and falling wages for low-paid work.