premise: A boy is walking on a floor covered in graffiti.
hypothesis: The boy is sitting in the grass.
explanation_1: The boy cannot be walking on a floor covered in graffiti and sitting in the grass simultaneously.
premise_logic: exists e1 e2 x1 x2 x3 x4.(on(e1,x2) & in(e2,x4) & n_graffitus(x4) & Theme(e2,x3) & v_cover(e2) & (x2 = x3) & n_floor(x2) & Actor(e1,x1) & v_walk(e1) & n_boy(x1))
hypothesis_logic: exists e1 x1 x2.(n_grass(x2) & n_boy(x1) & in(e1,x2) & Actor(e1,x1) & v_sit(e1))
premise_sim: exists e1 e2 x1 x2 x3 x4.(v_walk(e1) & v_cover(e2) & on(e1,x2) & n_graffitus(x4) & n_floor(x2) & n_boy(x1) & in(e2,x4) & Theme(e2,x3) & Actor(e1,x1) & (x2 = x3))
hypothesis_sim: exists e1 x1 x2.(v_sit(e1) & n_grass(x2) & n_boy(x1) & in(e1,x2) & Actor(e1,x1))