Two boys are gesturing to one another in front of a Coca-Cola vending machine.
A group of girls trying to get a soda out of the Pepsi vending machine.
The people involved are either two boys or a group of girls; they are either gesturing to one another in front of or trying to get a soda from a vending machine, and they machine is either Coca-Cola or Pepsi, but not both.
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