premise: A smiling girl slides down a purple slide feet first.
hypothesis: A girl happily uses the equipment at a playground.
explanation_1: A slide does not necessarily imply a playground.
explanation_2: she may not be doing it happily.
explanation_3: Not all slides are at a playground.
premise_logic: exists e2 e1 s1 s2 s3 x1 x2 x3.(a_first(s3) & Manner(e2,s3) & a_down(s2) & Manner(e2,s2) & Theme(e2,x2) & Actor(e2,x1) & v_slide(e2) & n_foot(x2) & of(x2,x3) & n_slide(x3) & a_purple(s1) & Theme(s1,x2) & n_girl(x1) & Actor(e1,x1) & v_smile(e1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(n_equipment(x2) & a_happily(s1) & Manner(e1,s1) & at(e1,x3) & n_playground(x3) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_girl(x1))