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The first thing that happened was the lights went off.
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The first thing that happened was he said hello to me.
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The first thing that happened was I woke up late.
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The first thing that happened was we lost our map.
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The first thing that happened was it started to rain.
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The first thing that happened was that the flight was delayed by four hours.
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The first thing that happened was a misunderstanding about the meeting time.
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The first thing that happened was the manager introduced the new team members.
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The first thing that happened was we noticed a strange sound coming from the engine.
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The first thing that happened was a sudden drop in the stock prices.
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The first thing that happened was a complete breakdown in communication between the parties.
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The first thing that happened was the emergence of an unexpected technical glitch.
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The first thing that happened was a thorough review of the existing protocols.
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The first thing that happened was the implementation of emergency safety measures.
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The first thing that happened was a profound shift in public opinion regarding the issue.