premise: The scuba diver is underwater.
hypothesis: The diver is surrounded by water.
explanation_1: The scuba diver is a diver and his surrounded by water is equivalent to scuba driver underwater.
premise_logic: exists p1 x1 x2.(n_diver(x1) & of(x1,x2) & n_scuba(x2) & exists x3.((x1 = x3) & n_underwater(x3)))
hypothesis_logic: exists e1 x1 x2.(n_diver(x1) & Actor(e1,x2) & n_water(x2) & Theme(e1,x1) & v_surround(e1))
premise_sim: exists x1 x2.(of(x1,x2) & n_scuba(x2) & n_diver(x1) & exists x3.(n_underwater(x3) & (x1 = x3)))
hypothesis_sim: exists e1 x1 x2.(v_surround(e1) & n_water(x2) & n_diver(x1) & Theme(e1,x1) & Actor(e1,x2))