YOU SAID:

My parent told me not to pee on the chair

INTO JAPANESE

私の親は私に椅子でおしっこをしないように言った

BACK INTO ENGLISH

My parents told me not to pee in the chair

INTO JAPANESE

両親は私に椅子でおしっこをしないように言った

BACK INTO ENGLISH

My parents told me not to pee in the chair