premise: A grim looking man with sunglasses pilots a boat.
hypothesis: The happy pilot flies his plane.
explanation_1: Grim is the opposite of happy.
explanation_2: A pilot cannot fly a plane a pilot a boat at the same time.
explanation_3: The man can not be both grim looking and happy. He is either piloting a plane or a boat, but not both.
premise_logic: exists e1 s1 x1.(all x2.(n_boat(x2) -> exists x3 x4.(a_topic(x1) & with(x1,x3) & for(x3,x2) & n_pilot(x3) & of(x3,x4) & n_sunglass(x4))) & n_man(x1) & Actor(e1,x1) & v_look(e1) & a_grim(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_plane(x2) & of(x2,x1) & n_male(x1) & n_pilot(x1) & a_happy(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_fly(e1))
premise_sim: exists e1 s1 x1.(v_look(e1) & n_man(x1) & all x2.(exists x3 x4.(with(x1,x3) & of(x3,x4) & n_sunglass(x4) & n_pilot(x3) & for(x3,x2) & a_topic(x1)) | -n_boat(x2)) & a_grim(s1) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 x1 x2.(v_fly(e1) & of(x2,x1) & n_plane(x2) & n_pilot(x1) & n_male(x1) & a_happy(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1))