YOU SAID:
sick boys never eat pineapple
INTO JAPANESE
病気の男の子は決してパイナップルを食べる
BACK INTO ENGLISH
Sick boy never eats pineapple
INTO JAPANESE
病気の少年はパイナップルを食べることはない
BACK INTO ENGLISH
Sick boy never eats pineapple
That didn't even make that much sense in English.