[Q]: How does the sentence end?

Ian asked Brian to open the lid of the jar because the hands of

[A]: Brian were strong.

[Q]: How does the sentence end?

The baby preferred to play with the mobile rather than the xylophone, because the

[A]: xylophone was difficult for his young mind.

[Q]: How does the sentence end?

Ursula only bought the parchment paper on sale instead of the plain paper, because the

[A]:
parchment paper was usually more expensive.