YOU SAID:

i like pineapple on my pizza and my mother doesnt

INTO JAPANESE

私は私のピザにパイナップルが好きで、私の母は好きではありません

BACK INTO ENGLISH

I like pineapple on my pizza and my mother doesn't

INTO JAPANESE

私はピザのパイナップルが好きで、母は好きではない

BACK INTO ENGLISH

I like pineapple on pizza, not my mother.

INTO JAPANESE

私は母ではなくピザのパイナップルが好きです。

BACK INTO ENGLISH

I like pineapple on pizza, not my mother.