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Can you repeat this sentence, but add in punctuation?
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Winter is a very cold season

Can you repeat this sentence, but add in punctuation?
Winter is a very cold season.
Beside its sacral sound the trombone got an until now unknown powerful and dramatic fortissimo which strengthened its reputation as dooms day instrument

Can you repeat this sentence, but add in punctuation?
Beside its sacral sound the trombone got an until now unknown powerful and dramatic fortissimo, which strengthened its reputation as "dooms day" instrument.