premise: A young boy playing in the grass.
hypothesis: The boy is in the sand.
explanation_1: The boy cannot play in the grass and the sand at the same time.
explanation_2: The boy is either in the grass or the sand, not both.
explanation_3: If a boy is playing in the grass, he cannot be in the sand at the same time.
premise_logic: exists s1 x1 x2 x3.(n_grass(x3) & a_topic(x1) & in(x1,x3) & n_playing(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists p1 x1 x2.(n_sand(x2) & n_boy(x1) & in(x1,x2))
premise_sim: exists s1 x1 x2 x3.(of(x1,x2) & n_playing(x1) & n_grass(x3) & n_boy(x2) & in(x1,x3) & a_young(s1) & a_topic(x1) & Theme(s1,x1))
hypothesis_sim: exists x1 x2.(n_sand(x2) & n_boy(x1) & in(x1,x2))