Question:
Joel was more prepared than Robert, so

Answer:
Continue the sentence -- Robert didn't do as well on the science test today.

Question:
Being a statistician was harder for Christine than Megan however

Answer:
Continue the sentence -- Megan had a harder time explain outliers.

Question:
Christopher was given a quest by Kenneth, so

Answer:
Continue the sentence -- Kenneth created the map and wrote the clues.

Question:
Laura was a worse writer than Erin, and

Answer:
Continue the sentence -- Laura needed a lot more tutoring in regards to essays.