premise: Two men in conversation while sitting at a bar.
hypothesis: Two men in conversation.
explanation_1: "Two men in conversation" is a rewording of "two men in conversation at a bar."
explanation_2: conversation while sitting at a bar. is inferred as conversation.
explanation_3: They are in conversation because they are in conversation while sitting.
premise_logic: (x)
hypothesis_logic: exists x1 x2.(a_topic(x1) & in(x1,x2) & n_conversation(x2) & n_man(x1) & card_eq_2(x1))