premise: A man wearing a red bicycle helmet talking on a cellphone with other people in the background.
hypothesis: A man talks on his iphone.
explanation_1: Not every cell phone is an iPhone.
explanation_2: Just because a man is talking on a cellphone doesn't mean a man talks on his iphone.
explanation_3: The cellphone the man is speaking on may not be an iPhone at all.
premise_logic: exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_background(x9) & n_people(x8) & a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & with(e1,x7) & in(x7,x9) & -(x7 = x8) & n_people(x7) & on(e1,x6) & n_cellphone(x6) & Actor(e1,x5) & v_talk(e1) & (x3 = x5) & n_helmet(x3) & of(x3,x4) & n_bicycle(x4) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_iphone(x3) & of(x3,x1) & n_male(x1) & n_talk(x1) & of(x1,x2) & n_man(x2))