P22iffQ22P_{22} \\iff Q_{22}P22iffQ22 is true. Which scenario is possible?
P22P_{22}P22 is True and Q22Q_{22}Q22 is False
Neither can be determined
Both P22P_{22}P22 and Q22Q_{22}Q22 are True
P22P_{22}P22 is False and Q22Q_{22}Q22 is True