81.   She says that legalising prostitution will only cause problems.

82.   Attempts to limit family size among some minorities are likely to cause problems.

83.   Wilful neglect of our manufacturing industry has caused this problem.

84.   Our computer problems were caused by a hiccup in the power supply.

85.   He seemed to think that I was trying to cause problems, but that was never my intention.

86.   The departures of several key employees have caused problems for the company.

87.   It took them a while to find out what was causing the problem.

88.   The problems were caused by cheap materials and poor workmanship.

89.   Whether or not he intended to cause problems is immaterial.

90.   Their health problems were caused by their sedentary lifestyles.