Put the pronouns instead of nouns. Заменитесуществительные местоимениями.
Jill and Ann - they, I and my father ,my brother ,his sister, her parents, their car, his table, Tom and Jill, a cat

we, he, she, they, it, it, they, it

I and my father - wemy brother - hehis sister - sheher parents - theytheir car - itTom and Jill - theya cat - it