premise: A happy boy is jumping in front OD city fountain.
hypothesis: The boy is standing still in the fountain.
explanation_1: The boy cannot stand still while jumping.
explanation_2: The boy is either jumping or standing still in the fountain.
explanation_3: The subject cannot be jumping and be standing still simultaneously.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(in(e1,x2) & n_fountain(x2) & of(x2,x4) & n_city(x4) & (x2 = x3) & ne_geo_od(x3) & a_front(s2) & Theme(s2,x2) & Actor(e1,x1) & v_jump(e1) & n_boy(x1) & a_happy(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_fountain(x2) & n_boy(x1) & in(e1,x2) & a_still(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1))
premise_sim: exists e1 s1 s2 x1 x2 x3 x4.(v_jump(e1) & of(x2,x4) & ne_geo_od(x3) & n_fountain(x2) & n_city(x4) & n_boy(x1) & in(e1,x2) & a_happy(s1) & a_front(s2) & Theme(s2,x2) & Theme(s1,x1) & Actor(e1,x1) & (x2 = x3))
hypothesis_sim: exists e1 s1 x1 x2.(v_stand(e1) & n_fountain(x2) & n_boy(x1) & in(e1,x2) & a_still(s1) & Manner(e1,s1) & Actor(e1,x1))