premise: The boy is surfing.
hypothesis: the boy is sleeping at home
explanation_1: the boy is either surfing or sleeping at home
premise_logic: exists e1 x1.(n_boy(x1) & Actor(e1,x1) & v_surf(e1))
hypothesis_logic: exists e1 x1 x2.(n_boy(x1) & at(e1,x2) & n_home(x2) & Actor(e1,x1) & v_sleep(e1))
premise_sim: exists e1 x1.(v_surf(e1) & n_boy(x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_sleep(e1) & n_home(x2) & n_boy(x1) & at(e1,x2) & Actor(e1,x1))