A man wearing a brown jacket stands among a group of men in front of a large machine.
The men are waiting in line to get a snacks from the vending machine.
A man standing in a group front of a machine is not necessarily waiting in line. A group doesn't always form a line. Someone in front of a machine is not necessarily waiting to get snacks from the vending machine. You can be near a machine and it might not be a vending machine.
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