Problem: How does the sentence end?

Rich wanted to go clubbing, but felt his club outfit was outdated so he bought stylish clothing. The 
Answer: club outfit was old.

Problem: How does the sentence end?

Matt was running late for a vet appointment so he got on a train and luckily the 
Answer: appointment was delayed.

Problem: How does the sentence end?

Cara wore her old backpack instead of taking her new satchel to school, because the 
Answer: backpack would be cheap to replace.

Problem: How does the sentence end?

There was a resonance to Amy's voice that enthralled Sarah, because 
Answer:
Amy created many beautiful songs.