premise: A female swimmer wearing a swimming cap does the butterfly stroke.
hypothesis: A woman is practicing her swimming technique.
explanation_1: You can not infer she is practicing her technique.
explanation_2: Just because a female swimmer wearing a swimming cap does the butterfly stroke does not mean she is practicing her swimming technique.
explanation_3: The female swimmer may not be just practicing her swimming technique.
premise_logic: exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(n_stroke(x5) & of(x5,x6) & n_butterfly(x6) & Theme(e2,x5) & Actor(e2,x1) & v_do(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_cap(x3) & of(x3,x4) & n_swimming(x4) & (x1 = x2) & n_swimmer(x1) & a_female(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_practice(e1) & n_technique(x2) & of(x2,x3) & n_swimming(x3) & of(x2,x1) & n_female(x1) & n_woman(x1))
premise_sim: exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(v_wear(e1) & v_do(e2) & of(x5,x6) & of(x3,x4) & n_swimming(x4) & n_swimmer(x1) & n_stroke(x5) & n_cap(x3) & n_butterfly(x6) & a_female(s1) & Theme(s1,x1) & Theme(e2,x5) & Theme(e1,x3) & Actor(e2,x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2 x3.(v_practice(e1) & of(x2,x3) & of(x2,x1) & n_woman(x1) & n_technique(x2) & n_swimming(x3) & n_female(x1) & Theme(e1,x2) & Actor(e1,x1))