Funny Riddles

Question: Two is company and 3 is a crowd. What is 4 and 5?

Question: What is the best way to stop a dog from barking in, and digging up the front yard?

Question: A blue man lives in a blue house. A green man lives in a green house. Who lives in the white house?

Question: You can easily touch me, but not see me.
You can throw me out, but not away.

What am I?

Question: I cannot hear or even see,
but sense light and sounds there may be.
Sometimes I end up on the hook,
or even deep into a book.

What am I?