premise: A man demonstrates his product.
hypothesis: The product is a robot.
explanation_1: A robot is not the only product someone can demonstrate.
premise_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_demonstrate(e1) & n_product(x2) & of(x2,x1) & n_male(x1) & n_man(x1))
hypothesis_logic: exists p1 x1.(n_product(x1) & exists x2.((x1 = x2) & n_robot(x2)))
premise_sim: exists e1 x1 x2.(v_demonstrate(e1) & of(x2,x1) & n_product(x2) & n_man(x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_product(x1) & exists x2.(n_robot(x2) & (x1 = x2)))