premise: A woman building herself a sand castle.
hypothesis: a women is helping a kid make a sand castle
explanation_1: Building herself a sand castle doesn't imply helping a kid.
explanation_2: The first sentence states the woman is building herself a sand castle so we cannot assume she is helping a kid to build one.
explanation_3: Just because a woman building herself a sand castle, doesn't mean she is helping a kid.
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & a_herself(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_build(e1) & n_castle(x3) & of(x3,x4) & n_sand(x4) & (x1 = x2) & n_woman(x1))
hypothesis_logic: exists e1 e2 x1 x2 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x1) & v_make(e2) & n_castle(x4) & of(x4,x5) & n_sand(x5) & Theme(e1,x3) & Actor(e1,x2) & v_help(e1) & n_kid(x3) & (x1 = x2) & n_woman(x1))