Problem: How does the sentence end?

Leslie decides to buy a new trailer from Michael because 
Answer: Leslie is shopping for one.

Problem: How does the sentence end?

Nelson finished the mile run faster than Ian because 
Answer: Nelson exercised quite regularly every day.

Problem: How does the sentence end?

The garden of Dennis looks uglier than Ian's because 
Answer: Ian spent more time on it in the Summer.

Problem: How does the sentence end?

Jennifer wanted to have a baby with their partner but not Jessica. 
Answer:
Jessica began started taking birth control medication.