(1)(p∧q)→(p∨q)
(2)(p∧(∼p))∧((∼q)∧p)
(3)q∨(p∨(∼q))
(A) All are contradictions.(B)All are tautologies.(C)Only Statement (2) is a contradiction, (1) and (3) are tautologies.(D)Only Statement (1) is a tautology, (2) and (3) are contradictions.