A professionally dressed man is sitting on the subway looking at his cellphone.
A guy is reading a book in an attic.
Looking at a cellphone is not the same activity as reading a book.
exists e2 e1 e3 x1 x2 x3.(n_cellphone(x3) & of(x3,x2) & n_male(x2) & n_subway(x2) & for(e2,e3) & at(e3,x3) & Actor(e3,x1) & v_look(e3) & on(e2,x2) & Actor(e2,x1) & v_sit(e2) & n_man(x1) & Theme(e1,x1) & v_dress(e1) & r_professionally(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & in(x2,x3) & n_attic(x3) & n_book(x2) & n_guy(x1))