premise: A public speaker in a plaid shirt speaks on the microphone.
hypothesis: A man is wearing a suit.
explanation_1: If the man is wearing a plaid shirt, he is not wearing a suit.
explanation_2: A plaid shirt is not a suit.
explanation_3: Shirt  is different from suit.
premise_logic: exists e1 s1 x1 x2 x3 x4.(n_microphone(x4) & on(e1,x4) & Actor(e1,x1) & v_speak(e1) & in(x1,x2) & n_shirt(x2) & of(x2,x3) & n_plaid(x3) & n_speaker(x1) & a_public(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_suit(x2) & n_man(x1))