Story needs to be completed:
Emily had big lips, which made Betty jealous.

My choice:
Emily was happy to show her trick to make them look bigger.

Story needs to be completed:
Washing his face once a day was enough for Craig, but Michael preferred to do it twice a day, which is why

My choice:
Craig had the dirtier face by comparison.

Story needs to be completed:
Amy likes pretending to be a ninja, and Betty feels too old for that, so

My choice:
Betty is likely the adult.

Story needs to be completed:
Sarah had to ask Laura for help with setting MAC keyboard shortcuts because

My choice:
Sarah never used MACs.