Problem: How does the sentence end?

The man took the stairwell to the third floor instead of the elevator because the 
Answer: elevator was congested.

Problem: How does the sentence end?

Nelson insisted on serving the food t the potlouck instead of Steven, because 
Answer: Steven had dirty hands.

Problem: How does the sentence end?

Joel declined Hunter 's invitation to go on a long hike, as 
Answer: Joel prefers to be indoors.

Problem: How does the sentence end?

Carlos wanted to update his computer accessories and decided to get headphones first instead of a microphone because the 
Answer:
headphones would be used more often.