7. On an island in the middle of nowhere, there are two types of inhabitants-Knights and Knaves. Knights always tell the truth and Knaves always lie. On this island, you are approached by two inhabitants-A and B. What, if anything, can you conclude about the identities of A and B in each of the following scenarios? (4 pts each) a) A says, "the two of us are the same type." B says, "A is a Knave." b) A says, "I am a Knight." B says, "A is lying."