YOU SAID:

there was a person eating ice cream in my mom's car

INTO JAPANESE

私の母の車でアイスクリームを食べるの人があった

BACK INTO ENGLISH

People were eating ice cream in the car my mother

INTO JAPANESE

人々 は私の母車でアイスクリームを食べていた

BACK INTO ENGLISH

People were eating ice cream in my mother the car

INTO JAPANESE

人は母の車でアイスクリームを食べていた

BACK INTO ENGLISH

People were eating ice cream in the mother's car

INTO JAPANESE

人は母の車でアイスクリームを食べていた

BACK INTO ENGLISH

People were eating ice cream in the mother's car