NIMCET 2024 Paper

You are on an island with two tribes. One tribes always tells the truth, and the other tribe always lies. You meet three individuals from the island: $\mathit{A},\mathit{B}$ and C . Each individual belongs to one of the tribes. You ask each of them the same question: "Is B a truth-teller?"
Here are their responses:
A says, "Yes, B is a truth-teller."
B says, "No, I am not a truth-teller"
C says, "B is a liear."
Given that each individual is either a truth-teller or a liar, who is telling the truth?