New situation puzzles

A couple of dancers die around a dance competition.

A woman walks into a pet store to buy a parrot. The seller offers her one, telling her that it can repeat everything it hears. Some days later the woman - feeling cheated - goes back into the store to get her money back. However, she comes back home with the parrot and not her money.

In the front of a car, a woman is found dead. There is a gun in the back seat, out of her reach. The windows are closed and the doors are all locked.

Paul goes diving. How could he know he would be burnt to a crisp?

Helen never thought that her decision to travel by plane would save her life.