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プルトニウム２ に３ さん９ きゅうじゃなかった
purutoniumuni sankyūjanakatta

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Noun
, 
Da Copula

The past negative form of プルトニウム２３９

1. Wasn't plutonium-239.

Past/Perfective
, 
Negative

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プルトニウム２３９じゃなかった

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