| Investigators are trying to establish if anyone knew about these problems before the accident. |
| The popularity of diet fads is a testimony to the fact that people want a quick fix for their health and weight problems. |
| The supervisor is quite approachable, so don't hesitate to bring up any problems you have. |
| She has a lot of practical experience in dealing with these kinds of problems. |
| She claims that her personal problems played no influence upon her decision to resign. |
| We need to look back further into the past to find the cause of these problems. |
