premise: An old man looking over a sculpture.
hypothesis: The man is young
explanation_1: The man can’t be old and young.
explanation_2: A man cannot be old and young.
explanation_3: The man is old, not young.
premise_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & over(e1,x3) & n_sculpture(x3) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
hypothesis_logic: exists s1 x1.(n_man(x1) & Theme(s1,x1) & a_young(s1))