Two men are shouting at eachother on a sidewalk. One is a firefighter, and the other is a zookeeper.
The zookeeper shouts at the firefighter "There's a house on fire behind you!".
The firefighter shouts "You're lyin'!".
The zookeeper shouts back "I'm not lying, are you crazy!? A house is on fire behind you!".
The firefighter points off into the distance behind the zookeeper and says "No, your lion! It broke free and it's eating someone!".
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