YOU SAID:

I am at john's house at thiago's party

INTO JAPANESE

私はチアゴのパーティーでジョンの家にいます

BACK INTO ENGLISH

I'm at John's house at Chiago's party

INTO JAPANESE

チアゴのパーティーでジョンの家にいます

BACK INTO ENGLISH

I'm at John's house at Chiago's party