premise: Two children, standing among grass, are putting their arms out and are smiling.
hypothesis: Two kids in the park smiling.
explanation_1: Children are kids. Grass is usually present in parks and the presence of kids among grass increases the likelihood of it being a park manifold.
explanation_2: Children standing among the grass shows that they are in the park.
explanation_3: Kids are also known as children. Most parks have lots of grass.
premise_logic: exists e3 e1 e2 e4 s1 x1 x2 x3 x4.(for(e3,e4) & among(e4,x4) & n_grass(x4) & Actor(e4,x1) & v_stand(e4) & Actor(e3,x1) & v_smile(e3) & for(e1,e2) & among(e2,x3) & n_grass(x3) & Actor(e2,x1) & v_stand(e2) & a_out(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_put(e1) & n_arm(x2) & of(x2,x1) & n_thing(x1) & n_child(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_park(x2) & a_topic(x1) & in(x1,x2) & Actor(e1,x3) & v_smile(e1) & (x2 = x3) & n_kid(x1) & card_eq_2(x1))