21.   Her mother disapproved of the living arrangements, saying that two girls living with four boys was bound to cause problems.

22.   In an audio amplifier, the kind of distortion which causes severe problems is harmonic distortion.

23.   Is it possible that some aspect of his personality is causing this problem?

24.   It also makes sure that the extra load of the solenoid valve does not cause problems due to sudden voltage drops.

25.   It has long been recognized that a high fat diet can cause heart problems.

26.   It now seems set to be pushed back at least three months, as the chosen central processing units are causing problems.

27.   It was an excess of enthusiasm that caused the problem.

28.   It was this last bit that caused the problem, and critics have poured scorn on the advice ever since.

29.   Maintaining a bella figura at all costs can cause problems greater than a partially blocked street.