YOU SAID:

I like pineapples but I'm allergic

INTO JAPANESE

私はパイナップルが好きですが、アレルギーがあります

BACK INTO ENGLISH

I like pineapple but I have allergies

INTO JAPANESE

パイナップルは好きですがアレルギーがあります

BACK INTO ENGLISH

I like pineapple but I have allergies