Problem: How does the sentence end?

At the ball game, Joseph spit the gum at Logan because 
Answer: Logan was an easy target.

Problem: How does the sentence end?

Katrina was invited to be the house guest of Laura because 
Answer: Katrina needed a place to stay.

Problem: How does the sentence end?

Erin was itching all over so Jessica carefully applied ointment and calamine to the areas. 
Answer: Erin got poison ivy.

Problem: How does the sentence end?

The music plays better on the stereo than the computer because the 
Answer:
stereo is louder.