Please I need help quickly!!

Consider the CMOS circuit below. Briefly explain "Out X" given the 3 inputs shown: Signal A, Signal B and Select O. The black boxes duplicate the CMOS circuit. Explain the final Out', given the addition of Signal C, Signal D and Select 1. You may show a truth table or verbally explain each Signal A IN_A OUT IN B IN A OUT Select o OUT IN B IN A OJT Signal x Select 1 Signal Out IN B SignalB signal Select - Signal D Out Y