premise: A boy smiles at the camera.
hypothesis: The boy is frowning.
explanation_1: The boy can't be both smiling and frowning.
premise_logic: exists e1 x1 x2.(n_camera(x2) & at(e1,x2) & Actor(e1,x1) & v_smile(e1) & n_boy(x1))
hypothesis_logic: exists e1 x1.(n_boy(x1) & Actor(e1,x1) & v_frown(e1))
premise_sim: exists e1 x1 x2.(v_smile(e1) & n_camera(x2) & n_boy(x1) & at(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_frown(e1) & n_boy(x1) & Actor(e1,x1))