Problem: Brian learned how to grow a long beard by watching Ian 's videos.

My choice: Brian lacked authority on this topic.

Problem: Betty had greater weight loss than Angela because

My choice: Betty was on a month long strict diet.

Problem: Eric looked at Neil in shock and started to react violently because

My choice: Neil lied to him.

Problem: Donald was always reading while Kenneth did not, as

My choice:
Kenneth liked to watch television all the time.