Problem 4 (25 pts) a) Design a two-input perceptron that implements the Boolean function AA-B whose truth table is given below X Y Out b) Design a two-input perceptron that implements the following function. X Y Out 1 21 1 3 1 c) Design a two-input artificial neural network that implements the Boolcan function whose truth table is given below d) Design a two-input artificial neural network that implements the following function 2 21 2 21 4 -2