plz help me solve this

Suppose there are two consumers, A and B, and two goods, X and Y. Consumer A's utility function is given by: UA(X.Y) = X + Y. Consumer B's utility function is given by: U3 = 2X +Y. ConsumerA's initial endowment is X = 4 and Y= 0. Consumer B's initial endowment is X = 4 and Y = 3. Which of the following allocations of X and Y is NOTin the CORE? 0 The initial allocation is Pareto Efcient, so the CORE is empty. 0 A gets 1 units of X and 4 units of Y; 3 gets 7 units of X and 4 units of Y. 0 All of the above are in the CORE. 0 A gets 0 units of X and 5 units of Y; 3 gets 8 units of X and 3 unit on. O A gets 0 units of X and 6 units of Y; 3 gets 8 units of X and 2 units of Y