Story needs to be completed:
Logan was attracted to the idea of a bellydance as opposed to Matthew's disgust, so

My choice:
Matthew did not attend the bellydancing event.

Story needs to be completed:
Joseph helped to prevent the disease in Brett's body during the overwhelming plague because

My choice:
Joseph was a doctor.

Story needs to be completed:
Drug abuse was a problem in Lawrence's past, but Joseph has always been clean.

My choice:
Joseph is a sober person.

Story needs to be completed:
Nick had to treat his daughters hair for lice unlike Adam because

My choice:
Adam child avoided the lice.