YOU SAID:
I am eating mushrooms in the restaurant today.
INTO JAPANESE
今日はレストランでキノコを食べます。
BACK INTO ENGLISH
I'm going to eat mushrooms at a restaurant today.
INTO JAPANESE
今日はレストランでキノコを食べるつもりです。
BACK INTO ENGLISH
I'm going to eat mushrooms at a restaurant today.
That didn't even make that much sense in English.