premise: A girl prepares herself for the swim meet.
hypothesis: The girl has swam before.
explanation_1: Girl is going to swim meet.
explanation_2: herself can be mentioned as girl and she preparing for swim meet.
explanation_3: A girl preparing for a swim meet must have swam prior.
premise_logic: exists e1 e2 x1 x2 x3.(n_swim(x3) & Actor(e2,x1) & v_meet(e2) & for(e1,x3) & Theme(e1,x1) & Actor(e1,x2) & v_prepare(e1) & n_female(x1) & (x1 = x2) & n_girl(x1))
hypothesis_logic: exists e1 s1 x1.(n_girl(x1) & a_before(s1) & Manner(e1,s1) & Actor(e1,x1) & v_swim(e1))