YOU SAID:

Yo wassup dude cool party

INTO JAPANESE

Yo wassupdudeクールパーティー

BACK INTO ENGLISH

Yo was supdude cool party

INTO JAPANESE

ヨはすごいクールなパーティーだった

BACK INTO ENGLISH

Yo was a really cool party

INTO JAPANESE

ヨは本当にクールなパーティーでした

BACK INTO ENGLISH

Yo was a really cool party