Identify and explain the fallacies of relevance in the following passages:

When we had got to this point in the argument, and everyone saw that the definition of justice had been completely upset, Thrasymachus, instead of replying to me, said: “Tell me, Socrates, have you got a nurse?” “Why do you ask such a question,” I said, “when you ought rather to be answering?” “Because she leaves you to snivel, and never wipes your nose; she has not even taught you to know the shepherd from the sheep.”