YOU SAID:

a goat walked into a frat party

INTO JAPANESE

ヤギがぷらっとパーティーに入った

BACK INTO ENGLISH

A goat went into a party

INTO JAPANESE

ヤギがパーティーに参加しました

BACK INTO ENGLISH

Goat joined the party

INTO JAPANESE

Goatがパーティーに参加しました

BACK INTO ENGLISH

Goat joined the party