YOU SAID:
what are yall doin tonight after the pool party?
INTO JAPANESE
今夜プールパーティーの後は何をするの?
BACK INTO ENGLISH
What are you doing after the pool party tonight?
INTO JAPANESE
今夜のプールパーティーの後は何をしていますか?
BACK INTO ENGLISH
What are you doing after tonight's pool party?
INTO JAPANESE
今夜のプールパーティーの後は何をしていますか?
BACK INTO ENGLISH
What are you doing after tonight's pool party?
That didn't even make that much sense in English.