premise: The gentleman is speaking while the others are listening.
hypothesis: The man is not talking.
explanation_1: The man can't be speaking if he's not talking.
explanation_2: speaking not same as not talking.
explanation_3: The first sentence states the man is speaking, the other states he is not talking
premise_logic: exists e1 p1 x1.(-(x1 = x1) & n_person(x1) & n_gentleman(x1) & exists e2.(Actor(e2,x1) & v_listen(e2)) & while(e1,p1) & Actor(e1,x1) & v_speak(e1))
hypothesis_logic: exists x1.(n_man(x1) & -exists e1.(Actor(e1,x1) & v_talk(e1)))
premise_sim: exists e1 p1 x1.(while(e1,p1) & v_speak(e1) & n_person(x1) & n_gentleman(x1) & exists e2.(v_listen(e2) & Actor(e2,x1)) & Actor(e1,x1) & -(x1 = x1))
hypothesis_sim: exists x1.(n_man(x1) & all e1.(-v_talk(e1) | -Actor(e1,x1)))