premise: four boys looking out from a boat.
hypothesis: Some boys are in a boat.
explanation_1: 'Some' is a good replacement for four.
premise_logic: exists e1 s1 x1 x2.(a_out(s1) & Manner(e1,s1) & from(e1,x2) & n_boat(x2) & Actor(e1,x1) & v_look(e1) & n_boy(x1) & card_eq_4(x1))
hypothesis_logic: exists p1 x1.(exists x2.(in(x1,x2) & n_boat(x2)) & n_boy(x1))
premise_sim: exists e1 s1 x1 x2.(v_look(e1) & n_boy(x1) & n_boat(x2) & from(e1,x2) & card_eq_4(x1) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_boy(x1) & exists x2.(n_boat(x2) & in(x1,x2)))