premise: A man talks on his cellphone in private.
hypothesis: A man is on his cellphone.
explanation_1: A man on his cellphone is talking to it.
explanation_2: Cellphone is always use to talk in private.
explanation_3: A man talking on the phone implies that he is in a conversation, regardless of it being private or not.
premise_logic: exists s1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & Theme(s1,x4) & a_private(s1) & (x3 = x4) & n_cellphone(x3) & of(x3,x1) & n_male(x1) & n_talk(x1) & of(x1,x2) & n_man(x2))
hypothesis_logic: exists p1 x1 x2.(on(x1,x2) & n_cellphone(x2) & of(x2,x1) & n_male(x1) & n_man(x1))