Story needs to be completed:
Needing money, the man decided to sell the guitar instead of the piano, because the

My choice:
piano would sell for a lesser amount.

Story needs to be completed:
Erin jumped and clapped at the dance performed by Betty.

My choice:
Betty was quite the performer.

Story needs to be completed:
Steven experienced a lot more growth than Leslie in college, so

My choice:
Steven ended up graduating with honors.

Story needs to be completed:
Sarah had an easy time during their pregnancy but Rebecca experienced a lot of nausea.

My choice:
Sarah enjoyed the experience of being pregnant.