Crack your brain!

Below here are three riddles from me
Try it out!
Answers will be coming up in the next post ...
Drop me a comment if you know these answers.
Happy Trying!

Cheers,
KeithK :)

1) A murderer is condemned to death sentence. He has to choose between three rooms. the first is full of raging fire, the second is full of assassins with loaded guns and the third that is full of lions that have not been eating for 3years. Which room will he choose for the sake of his safety?

2) A woman shoots his husband. Then, she holds him under water for over 5 minutes. Finally, she hangs him up. However, after 5 minutes later, both of them went for a dinner happily. How could this happen?

BLACK, RED, GRAY

3) What is black when you buy it, red when you use it and gray when you throw it away?