Помогите!! Задание по учебнику английского третий класс. "Group these words into two categories : doctor, mother, pilot , engineer , father , pupil,uncle, grandmother , cosmonaut , aunt , worker , grandfather, driver , sister , teacher , brother"

1 группа (профессии)professionsdoctor, pilot, engineer, pupil, cosmonaut, worker, driver, teacherВСЕ ОСТАЛЬНЫЕ ВО 2 ГРУППУ :3там члены семьи