premise: Two little kids laugh on a blue swing.
hypothesis: A child slides down the slide by himself.
explanation_1: There can either be one child or two children. They cannot be going down the slide and on the swings at the same time.
explanation_2: A child can't be by himself if their are two kids.  Kids can't be on a swing and slide at the same time.
explanation_3: There can either be one or two kids.
premise_logic: exists e1 s1 s2 x1 x2.(on(e1,x2) & n_swing(x2) & a_blue(s2) & Theme(s2,x2) & Actor(e1,x1) & v_laugh(e1) & n_kid(x1) & a_little(s1) & Theme(s1,x1) & card_eq_2(x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_slide(x2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_slide(e1) & by(x2,x1) & n_male(x1) & n_child(x1))