YOU SAID:
I enjoy pineapple on pizza.
INTO JAPANESE
私はピザにパイナップルをお楽しみください。
BACK INTO ENGLISH
I enjoy the pineapple pizza.
INTO JAPANESE
私はパイナップルのピザをお楽しみください。
BACK INTO ENGLISH
I enjoy the pineapple pizza.
That didn't even make that much sense in English.