Story needs to be completed:
Craig wanted to get the autograph of Nelson who was a karate master, so

My choice:
Nelson gave an autograph.

Story needs to be completed:
The dog of Brett's behavior was a lot worse than that of Leslie's, because

My choice:
Leslie dog was obedient.

Story needs to be completed:
Joel didn't get sea sickness during the cruise, unlike Kenneth, because

My choice:
Kenneth never took dramamine beforehand.

Story needs to be completed:
The resin table got a scratch as I was cleaning it with a brush because the

My choice:
brush was too hard.