premise: The keyboard is white
hypothesis: The keyboard is on the desk.
explanation_1: Not all keyboards are on the desk.
premise_logic: exists s1 x1.(n_keyboard(x1) & Theme(s1,x1) & a_white(s1))
hypothesis_logic: exists p1 x1 x2.(n_desk(x2) & n_keyboard(x1) & on(x1,x2))
premise_sim: exists s1 x1.(n_keyboard(x1) & a_white(s1) & Theme(s1,x1))
hypothesis_sim: exists x1 x2.(on(x1,x2) & n_keyboard(x1) & n_desk(x2))