Problem: Nelson stayed home from work and Kevin did not because

My choice: Nelson had not built an immunity to the common cold.

Problem: The doctor said that the disease was worse than her condition because the

My choice: condition could be treated.

Problem: Derrick always mowed his lawn before Adam as

My choice: Adam was never highly motivated to work.

Problem: Jennifer always tried to be nice to Rebecca even though they were not nice in return, since

My choice:
Jennifer was a good person.