Problem: How does the sentence end?

Katrina preferred a window seat on the plane while Rachel preferred an aisle because 
Answer: Rachel did not care about the view out of the window.

Problem: How does the sentence end?

Mary started to drill a large hole in Rebecca's front door, because 
Answer: Rebecca was locked out of his house.

Problem: How does the sentence end?

Rebecca can do the laundry more quickly than Betty because 
Answer: Rebecca has much more experience doing it.

Problem: How does the sentence end?

We used the tank to store the water instead of the bucket because the 
Answer:
tank was cleaner.