premise: Two men have an after dinner discussion at the dinner table.
hypothesis: two men are discussing
explanation_1: Two men can be discussing something at a dinner table.  To have a discussion normally there is more then one person.
explanation_2: Are discussing is a paraphrase of have an after dinner discussion.
explanation_3: After dinner discussion can be summarized in the term "discussing" and are correctly stated in the present tense.
premise_logic: exists e1 x1 x2 x3 x4 x5.(at(e1,x5) & n_table(x5) & of(x5,x4) & n_dinner(x4) & n_dinner(x4) & after(e1,x4) & n_discussion(x3) & Time(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_thing(x2) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_discuss(e1) & n_thing(x2) & n_man(x1) & card_eq_2(x1))
premise_sim: exists e1 x1 x2 x3 x4 x5.(v_have(e1) & of(x5,x4) & n_thing(x2) & n_table(x5) & n_man(x1) & n_discussion(x3) & n_dinner(x4) & card_eq_2(x1) & at(e1,x5) & after(e1,x4) & Time(e1,x3) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_discuss(e1) & n_thing(x2) & n_man(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1))