Problem: How does the sentence end?

Neil decided to surrender to Ian because the position of the troops on the field indicated that 
Answer: Ian was going to win the war.

Problem: How does the sentence end?

Derrick plays basketball weekly unlike Robert so 
Answer: Robert had slower reflexes getting the ball in a pickup game.

Problem: How does the sentence end?

He decided do buy the wool jacket instead of the linen one, because the 
Answer: wool  jacket is better for the winter.

Problem: How does the sentence end?

Donald has a bigger belly than Ryan because 
Answer:
Ryan has a healthy relationship with food.