A bunch of people wearing white shirts with a red handkerchief around their necks coming out of a stadium, while two men with a cup in their hand stare at something.
a group of people with handkerchiefs around their necks come out of a stadium while two other men watch a sporting event
Sporting event is key because in sentence 1, the people could have been staring at the wall of a stadium and not watching an event held at the stadium
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