premise: Two elderly men having a conversation.
hypothesis: Two elderly men talking.
explanation_1: Having a conversation implies talking.
explanation_2: Two elderly men talking is the same as two elderly men having a conversation.
explanation_3: Having a conversation implies talking.
premise_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & n_conversation(x3) & (x1 = x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1) & card_eq_2(x1))
hypothesis_logic: exists e1 s1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_talk(e1) & (x1 = x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1) & card_eq_2(x1))