YOU SAID:
your father is going to get milk
INTO JAPANESE
あなたのお父さんはミルクを買いに行くつもりです
BACK INTO ENGLISH
your father is going to buy milk
INTO JAPANESE
あなたのお父さんは牛乳を買うつもりです
BACK INTO ENGLISH
your father is going to buy milk
You've done this before, haven't you.