premise: Two men and a lady are standing outside.
hypothesis: They are smoking a cigarette.
explanation_1: You can not infer they are smoking.
explanation_2: Not all women smoke cigarette.
explanation_3: People aren't always smoking a cigarette when they are standing outside.
premise_logic: exists e1 s1 x1 x2 x3.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & subset_of(x3,x1) & n_lady(x3) & subset_of(x2,x1) & n_man(x2) & card_eq_2(x2))
hypothesis_logic: exists e1 x1 x2.(n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_smoke(e1) & n_cigarette(x2))