premise: A man with a gray beard and an apron smiles.
hypothesis: A man smiling.
explanation_1: Smiling is a continuous form of smiles.
explanation_2: Man with a gray beard is a type of man.
explanation_3: A man with apron smiles is inferred as a man smiling.
premise_logic: exists e1 s1 x1 x2 x3 x4.(Actor(e1,x1) & v_smile(e1) & with(x1,x2) & subset_of(x4,x2) & n_apron(x4) & subset_of(x3,x2) & n_beard(x3) & a_gray(s1) & Theme(s1,x3) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_smile(e1) & (x1 = x2) & n_man(x1))