Whose keys are they?
They are grandma's keys.
Whose smartphone is it?
It's grandpa's smartphone.
Whose watches are they?
They are Tony and Jack's watches.
Whose umbrella is it?
It's uncle's umbrella.
Whose jackets are they?
They are dad's jackets.
Whose water bottle is it?
It's mom's water bottle.
Whose smartphones are they?
They are sister's umbrellas.
Whose jacket is it?
It's uncle's jacket.
Whose umbrellas are they?
They are brother's umbrellas.