premise: A man sweeping in the street.
hypothesis: A man is cleaning the street.
explanation_1: Sweeping is a method of cleaning.
explanation_2: Sweeping means cleaning.
explanation_3: If he is sweeping the street, he is cleaning it.
premise_logic: exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_sweep(e1) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(n_street(x2) & Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & n_man(x1))