Problem: How does the sentence end?

Ryan made Nick recite mathematical formulas for the test, because 
Answer: Ryan is his math tutor.

Problem: How does the sentence end?

Victoria lived closer to the ballet studio than Elena. 
Answer: Victoria was able to go to the studio more quickly.

Problem: How does the sentence end?

Samuel turned down the option of sliced bread and had a bagel instead whereas Brian did not. This is because 
Answer: Samuel loved bagels.

Problem: How does the sentence end?

She made an outline for her novel and taped one to the desk and put one in her folder.  The 
Answer:
folder was forgotten.