premise: The boat is white
hypothesis: There is a boat.
explanation_1: " There is a boat" is synonymous with " the boat is" .
premise_logic: exists s1 x1.(n_boat(x1) & Theme(s1,x1) & a_white(s1))
hypothesis_logic: exists p1 x1 x2.((x1 = x2) & n_boat(x2))
premise_sim: exists s1 x1.(n_boat(x1) & a_white(s1) & Theme(s1,x1))
hypothesis_sim: exists x1 x2.(n_boat(x2) & (x1 = x2))