If a thesis is so obvious that it does not need support or if it states a known fact, you will not be able to say much about it.
| OBVIOUS | Most teenagers drive. |
| REVISED | The high accident rates among new teen drivers could be reduced with better and more extended driver training. |
| FACT | A growing number of American children are overweight. |
| REVISED | We must, as a nation, act to reduce obesity in our children. |