premise: A person rolls down a hill riding a wagon as another watches.
hypothesis: A person stares at an empty hill.
explanation_1: The hill would not be empty if someone was rolling down it.
explanation_2: The person can't be staring at an empty hill while someone rolls down the hill
explanation_3: If a person watches another person roll down a hill riding a wagon, then it cannot be claimed that the person stares at an empty hill.
premise_logic: exists e2 e1 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.(at(e1,x2) & n_hill(x2) & a_empty(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stare(e1) & n_person(x1))
premise_sim: exists e2 e1 s1 x1 x2 x3 x4 x5.(v_roll(e1) & v_ride(e2) & n_watch(x5) & n_watch(x4) & n_wagon(x3) & n_person(x1) & n_hill(x2) & for(e1,e2) & as(x3,x5) & a_down(s1) & Theme(e2,x3) & Theme(e1,x2) & Manner(e1,s1) & Actor(e2,x1) & Actor(e1,x1) & -(x5 = x4))
hypothesis_sim: exists e1 s1 x1 x2.(v_stare(e1) & n_person(x1) & n_hill(x2) & at(e1,x2) & a_empty(s1) & Theme(s1,x2) & Actor(e1,x1))