premise: A young boy, wearing a jesters hat is enjoying himself sledding.
hypothesis: A young boy is just sitting down and not sledding.
explanation_1: The boy is sledding. Not sitting.
explanation_2: The boy can only be doing one activity at a time.  He can be sledding or not, but not both.
explanation_3: A boy can’t be sledding and not sledding.
premise_logic: exists e2 e1 e3 s1 x1 x2 x3 x4.(for(e2,e3) & Actor(e3,e1) & v_sled(e3) & rel(e2,x4) & n_boy(x4) & a_young(s1) & Theme(s1,x4) & Theme(e2,x1) & Actor(e2,e1) & v_enjoy(e2) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_hat(x2) & of(x2,x3) & n_jester(x3) & n_thing(x1))
hypothesis_logic: exists e1 p1 s1 s2 s3 x1 x2.(-exists e2 s5.(a_just(s5) & Manner(e2,s5) & Actor(e2,x2) & v_sled(e2)) & n_boy(x2) & a_young(s3) & Theme(s3,x2) & a_just(s2) & Manner(e1,s2) & exists s4.(Theme(s4,x1) & a_down(s4)) & Topic(e1,p1) & Actor(e1,x1) & v_sit(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))