YOU SAID:
I like potatoes that are sweet
INTO JAPANESE
私は甘いポテトが好きです
BACK INTO ENGLISH
I like sweet potatoes
INTO JAPANESE
サツマイモが好き
BACK INTO ENGLISH
I like sweet potato
INTO JAPANESE
サツマイモが好き
BACK INTO ENGLISH
I like sweet potato
That didn't even make that much sense in English.