premise: a biker rides down the street.
hypothesis: The biker is a man
explanation_1: Not all bikers are a man.
premise_logic: exists e1 x1 x2.(n_street(x2) & down(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_biker(x1))
hypothesis_logic: exists p1 x1.(n_biker(x1) & exists x2.((x1 = x2) & n_man(x2)))
premise_sim: exists e1 x1 x2.(v_ride(e1) & n_street(x2) & n_biker(x1) & down(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_biker(x1) & exists x2.(n_man(x2) & (x1 = x2)))