The answer is (usted) because you dont have a personal relationship with this person.
ustedes means you guys
vosotros means all of us
tu is used for someone whom you are close with like a family member or someone whom you have know for a while.
Quinceaños, is the correct answer , for me
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b) people living in the community may be fans of more than one team.
violence is common at the games in the region usually come from the
outside area.
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