YOU SAID:

Hello yes this is dog

INTO JAPANESE

こんにちははいこれは犬

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Hi Yes it's dog

INTO JAPANESE

こんにちはそれは犬をはい

BACK INTO ENGLISH

Hi is it a dog Yes

INTO JAPANESE

こんにちは、それが犬はい

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Hi, it is a dog.

INTO JAPANESE

犬だ

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Dog

INTO JAPANESE

犬

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dog

INTO JAPANESE

犬

BACK INTO ENGLISH

dog