premise: A person rolls down a hill riding a wagon as another watches.
hypothesis: A child in a wagon rolls down a hill.
explanation_1: Not necessarily a child in the wagon.
explanation_2: Just because a person rolls down a hill in a wagon it doesn't mean they are a child.
explanation_3: Just because it is a person does not mean it is a child.
premise_logic: exists e1 e2 s1 x1 x2 x3 x4 x5.(n_watch(x4) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_ride(e2) & as(x3,x5) & n_watch(x5) & -(x5 = x4) & n_wagon(x3) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_roll(e1) & n_hill(x2) & n_person(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_roll(e1) & n_hill(x3) & in(x1,x2) & n_wagon(x2) & n_child(x1))