premise:  Caleb has been growing out his hair for several Year's. "Although all his friends have short hair, Caleb's hair is very long." "However, now that he needs a job, he decides to cut it." "Caleb goes to the barber for a short, professional haircut." "Still, he misses the days when he had long hair."
hypothesis:  Caleb was able to get a job. ends after Caleb grow his hair 