premise: An older and younger man smiling.
hypothesis: Two men are smiling.
explanation_1: Older and younger man are two men.
explanation_2: An older and younger man are two men.
explanation_3: Two men is a rephrasing of "an older and younger man."
premise_logic: exists e1 s1 s2 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_smile(e1) & (x1 = x2) & n_man(x1) & r_more(s2) & a_younger(s2) & Theme(s2,x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_smile(e1) & n_man(x1) & card_eq_2(x1))