premise: A man in a green shirt and black hat is smoothing concrete.
hypothesis: A person is resurfacing the sidewalk of a well known street.
explanation_1: He may be doing the job not on side walk of street, it may be other concrete structure.
explanation_2: Just because a man is smoothing concrete doesn't mean he is resurfacing the sidewalk of a well known street.
explanation_3: A man smoothing concrete does not always resurface the sidewalk of a well known street.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5.(Theme(e1,x5) & Actor(e1,x1) & v_smooth(e1) & n_concrete(x5) & in(x1,x2) & n_hat(x4) & a_black(s2) & Theme(s2,x4) & n_shirt(x3) & a_green(s1) & Theme(s1,x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1))
hypothesis_logic: exists e1 e2 x1 x2 x3.(n_sidewalk(x2) & Theme(e2,x2) & Actor(e2,x1) & v_resurface(e2) & of(x2,x3) & n_street(x3) & Theme(e1,x3) & v_know(e1) & r_well(x3) & n_person(x1))