Classify the following sentences as simple, compound, complex or compound-complex. 

1. Ottawa is the capital of Canada, but Toronto is the capital of Ontario.
2. Democracy is a noble goal; it is important, however, to protect the minority from the tyranny of the majority.
3. I do not own a Porsche.
4. Call your father as soon as you arrive at Antagonism.
5. I ate the sushi and left the restaurant.
6. Unless my girlfriend postpones her visit from Calgary, I will not have time to study for my exam.
7. Susanne wanted to be here, but she could not come because her car is at the car repair shop.
8. The football game was cancelled because it was raining.
9. The football game was cancelled because of the rain.
10. When the train arrives, if Ms. Lang Lois is on it, she will be served with a subpoena.