A man talking on his cellphone on the street.
A man on the street.
A man talking on his cellphone on the street. couldnt possibly be  A man on the street.
exists e1 x1 x2 x3 x4.(n_street(x4) & a_topic(x1) & on(e1,x3) & on(x3,x4) & n_cellphone(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x2) & v_talk(e1) & (x1 = x2) & n_man(x1))
exists x1 x2.(n_street(x2) & a_topic(x1) & on(x1,x2) & n_man(x1))