Problem: How does the sentence end?

Tony wanted to invest in either stocks or mutual funds but the 
Answer: stocks were too risky.

Problem: How does the sentence end?

The outdoors are where Craig prefers to be, but Brett prefers to be in his house. 
Answer: Craig likes to be camping.

Problem: How does the sentence end?

Megan had vodka and Christine did not have any, so 
Answer: Christine was the designated driver for that night.

Problem: How does the sentence end?

Jason has received several traffic tickets but Benjamin received none as 
Answer:
Benjamin follows the rules.