Question

Nikita would like to know which car belongs to Yosef and Taiga.

Which sentence revision correctly uses a possessive pronoun?

Nikita would like to know which car is theirs.
Nikita would like to know which is him or her car.
Nikita would like to know which car belongs to them.
Nikita would like to know which car belongs to he or she.

Answer 1

nikita would like to know wich car is theirs.

Answer 2

Nikita would like to know which car is theirs.

Step-by-step explanation:

A possesive pronuon indicates belonging to certain person, in this case the car belongs to Yosef and Taiga this means that if you want to use a possesive pronoun to refer to the car that belongs to Yosef and Taiga it should be "Their car", The car is theirs.