premise: A female swimmer wearing a swimming cap does the butterfly stroke.
hypothesis: A woman is sitting beside a pool.
explanation_1: To do the butterfly, one must be in the pool, not beside it.
explanation_2: In order to do the butterfly stroke you must be in the pool not sitting beside it.
explanation_3: The female swimmer can not be sitting by the pool and at the same time doing the butterfly stroke.
premise_logic: exists e1 e2 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.(beside(e1,x2) & n_pool(x2) & Actor(e1,x1) & v_sit(e1) & n_woman(x1))
premise_sim: exists e1 e2 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.(v_sit(e1) & n_woman(x1) & n_pool(x2) & beside(e1,x2) & Actor(e1,x1))