What is an Argument?

Exercise

Which of the following sentences are statements and which are not?

1. No one understands me but you.
2. Alligators are on average larger than crocodiles.
   
3. Is an alligator a reptile or a mammal?
   
4. An alligator is either a reptile or a mammal.
   
5. Don't let any reptiles into the house.
   
6. You may kill any reptile you see in the house.
   
7. East Africans are not the best distance runners.
   
8. Obama is not a Democrat.
   
9. Some humans have wings.
   
10. Some things with wings cannot fly.
    
11. Was Obama born in Kenya or Hawaii?
    
12. Oh no! A grizzly bear!
    
13. Meet me in St. Louis.
    
14. We met in St. Louis yesterday.
    
15. I do not want to meet a grizzly bear in the wild.