premise: a snowboarder jumps over a barrel.
hypothesis: An old man sits in a hospital waiting room.
explanation_1: If a snowboarder jumps over a barrel in sentence one then an old man can not sit in a hospital waiting room in sentence two
explanation_2: A snowboarder jumps is different than an old man sits.
explanation_3: It's impossible that a snowboarder jumps and sits simultaneously.
premise_logic: exists e1 x1 x2.(over(e1,x2) & n_barrel(x2) & Actor(e1,x1) & v_jump(e1) & n_snowboarder(x1))
hypothesis_logic: exists e1 e2 s1 x1 x2 x3.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_wait(e2) & n_room(x3) & in(e1,x2) & n_hospital(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & a_old(s1) & Theme(s1,x1))
premise_sim: exists e1 x1 x2.(v_jump(e1) & over(e1,x2) & n_snowboarder(x1) & n_barrel(x2) & Actor(e1,x1))
hypothesis_sim: exists e1 e2 s1 x1 x2 x3.(v_wait(e2) & v_sit(e1) & n_room(x3) & n_man(x1) & n_hospital(x2) & in(e1,x2) & for(e1,e2) & a_old(s1) & Theme(s1,x1) & Theme(e2,x3) & Actor(e2,x1) & Actor(e1,x1))