premise: A man is flexing his biceps while standing on a rooftop with multiple chimneys in the background.
hypothesis: The man is climbing a ladder.
explanation_1: The man cannot simultaneously be standing on a rooftop and climbing a ladder
explanation_2: A man standing on a rooftop is not climbing a ladder.
explanation_3: A man climbing a ladder is unlikely to be flexing his biceps. A man cannot be climbing a ladder and standing on a rooftop simultaneously.
premise_logic: exists e2 e1 s1 x1 x2 x3 x4 x5.(n_background(x5) & while(e1,e2) & in(e2,x5) & with(e2,x4) & n_chimney(x4) & a_multiple(s1) & Theme(s1,x4) & on(e2,x3) & n_rooftop(x3) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x2) & Actor(e1,x1) & v_flex(e1) & n_biceps(x2) & of(x2,x1) & n_male(x1) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_ladder(x2))