'you're welcome' means you are. Both your and you’re are incorrectly used in the first sentence; Definition of your determiner in oxford advanced learner's dictionary.
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You're and your are easy to confuse. Your can refer to one or more people. Used when speaking or writing to one or.:
Your meaning, definition, what is your:
It should look like this instead: Belonging or relating to the person or group of people being spoken or written to: Your is the second person possessive determiner. Your is the possessive form of the pronoun you and indicates ownership.
Your means belonging to you. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. To use you're and your correctly, remember that you're is short for you are, and your is used to show ownership, like in your house. if you don't know which one to use, try. The meaning of your is of or relating to you or yourself or yourselves especially as possessor or possessors, agent or agents, or object or objects of an action.

You're is a contraction, and your is a possessive determiner.
In this video, you’ll learn more about when to use your and you're correctly in american english. You’re so talented at playing your piano.