Answer:
What has a bottom at the top?
I am alive without breath and cold as death. I am never thirsty but always drinking. What am I?
A prisoner is told 'If you tell a lie we will hang you if you tell the truth we will shoot you.' What can the prisoner say to save himself?
I can be short and sometimes hot. When displayed I'm never cold. What am I?
Four leaves I have.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.