YOU SAID:

i am going to a party today! they are going to have beer, wine, and beer pong

INTO JAPANESE

今日はパーティーに行きます！彼らはビール、ワイン、ビールポンを飲むつもりです

BACK INTO ENGLISH

I'm going to a party today! They're going to drink beer, wine, and beer pong

INTO JAPANESE

今日はパーティーに行きます！彼らはビール、ワイン、ビアポンを飲むつもりです

BACK INTO ENGLISH

I'm going to a party today! They're going to drink beer, wine, and beer pong