1 Which umbrella is theirs ? The red one. 2 Which umbrella is ? The purple one. 3 Which sock is ? The white one. 4 Which sock is ? The yellow one. 5 Which hat is ? 6 The green one's

1 Which umbrella is theirs? The red one.

2 Which umbrella is theirs? The purple one.

3 Which sock is theirs? The white one.

4 Which sock is theirs? The yellow one.

5 Which hat is theirs?

6 The green one's theirs.