Problem: How does the sentence end?

The pancakes were sticking to the skillet, so she switched to a saucepan. The 
Answer: saucepan had a smoother cooking surface.

Problem: How does the sentence end?

In Nevada, Cynthia wins more at the slot machines than Jessica because 
Answer: Jessica is unlucky.

Problem: How does the sentence end?

Leslie was always trying to improve Kenneth against their will, so 
Answer: Kenneth was annoyed with their interference.

Problem: How does the sentence end?

The ballet was enjoyable for Joel but not Nelson because 
Answer:
Nelson was very bored that evening.