premise: A group of people are standing in front of some stores.
hypothesis: There is a boy playing in the park
explanation_1: "A boy" and "a group of people" are different amounts of people.  Playing and standing are different actions.  There are no stores at a park.
premise_logic: exists e1 x1 x2 x3 x4.(in(e1,x3) & of(x3,x4) & n_store(x4) & n_front(x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
hypothesis_logic: exists p1 x1 x4.(n_park(x4) & exists x2 x3.((x1 = x2) & in(x2,x4) & n_playing(x2) & of(x2,x3) & n_boy(x3)))
premise_sim: exists e1 x1 x2 x3 x4.(v_stand(e1) & of(x3,x4) & of(x1,x2) & n_store(x4) & n_people(x2) & n_group(x1) & n_front(x3) & in(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists x1 x4.(n_park(x4) & exists x2 x3.(of(x2,x3) & n_playing(x2) & n_boy(x3) & in(x2,x4) & (x1 = x2)))