What do you say in Chinese in the following situations?
1. You see your classmate's family portrait and want to find out who his or her (matemal) grandmother is.
2. You meet a classmate when you are out walking your dog and you introduce your dog to him or her.
3. A cat jumps in through your window. You pick it up and ask your neighbors if it is their cat.
4. You find out that the cat belongs to your neighbors and ask them its name.
5. You want to know if your classmate has any pets.
6. You are asked if you have any pets.