Acorn:oak is the answer I believe, because a calf is a baby cow and a cow is matured. So in this, an acorn is the seed, which is like the baby when the oak is the matured version of the seed (acorn)
Answer:
A distraction for the students may have been it simply wasn't an interesting enough or grasping topic for the students, or even the way he was dressed which was kind of flashy or really eye catching could have focused thier attentions elsewhere. Hope This Helps
