premise: A man sweeping in the street.
hypothesis: A man is using his vaccuum to clean the street.
explanation_1: Sweeping implies using a broom. A vaccuum is an electrical powered tool.
explanation_2: If a man is using his vacuum to clean he could not be sweeping at the same time.
explanation_3: Sweeping implies the use of a broom while the other sentence states that he is using a vaccuum.
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 p1 x1 x2 x3 x4.(n_street(x4) & Topic(e1,p1) & exists e2.(Theme(e2,x4) & Actor(e2,x1) & v_clean(e2)) & Theme(e1,x3) & Actor(e1,x2) & v_use(e1) & n_vaccuum(x3) & of(x3,x1) & n_male(x1) & n_man(x2) & n_man(x1))