Question: What is first green, when you eat it it's red, when you spit it out it's black?

Question: A man walks into a bar.he suddenly he gets knocked out, why?

Question: There's a person who is at a store. Is it a boy or a girl?

Question: say "Silk" 5 times fast
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what do cows drink?

Question: what is so fragile that when you say it it breaks

Question: There is a family of 4. The names are Jack,Mark,Steve and Kathy. One day, Jack and Mark went outside for dinner while Steve and Kathy stayed at home. But when Jack and Mark came back,they found out that Steve killed Kathy. But here is the strange part, they found evidence of Kathy's tragic murder, but they didn't call the police, have a judgement, have a court, or even call for an execution. Why?
(Its not because they were a family)

Question: What has teeth but doesn't eat?

Question: I have 2 legs in the morning
3 legs in the evening
and 4 legs in the night
What am I?

Question: What do you say,9 and 5 is 13 or 9 and 5 are 13?

Question: What's yours but other people use it more than you do?