The Thesis Sentence

Rate the following prelimiary thesis sentences as 'good', adequate, or poor

1. Street language is always vibrant and lively. **
2. Some people talk in metaphors.
3. The image of water in Whitman's Leaves of Grass usually signals a rebirth symbol and the pasage to a new life *
4. For many children, school is a place of trouble, and thei main business of the day is staying out of trouble as much as possible. *
5. In his novels, William Faulkner writes about Southern Black. **
6. Video game systems are overrated. **
7. Bullfighting is not an American sport