premise: Two men sitting and smoking at a table.
hypothesis: Two men are smoking
explanation_1: The sentence is inferable.  The men are smoking in both instances.
premise_logic: exists e1 e2 x1 x2 x3.(at(e2,x3) & n_table(x3) & Actor(e2,x2) & v_smoke(e2) & n_man(x2) & card_eq_2(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_smoke(e1) & n_man(x1) & card_eq_2(x1))
premise_sim: exists e1 e2 x1 x2 x3.(v_smoke(e2) & v_sit(e1) & n_table(x3) & n_man(x2) & n_man(x1) & card_eq_2(x2) & card_eq_2(x1) & at(e2,x3) & Actor(e2,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_smoke(e1) & n_man(x1) & card_eq_2(x1) & Actor(e1,x1))