Two men wearing safety vests are looking at some papers.
Two men are looking at papers.
"Looking at some papers" is a reiteration of "looking at papers".
exists e1 e2 x1 x2 x3 x4 x5.(at(e2,x5) & n_papers(x5) & Actor(e2,x1) & v_look(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_vest(x3) & of(x3,x4) & n_safety(x4) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(at(e1,x2) & n_papers(x2) & Actor(e1,x1) & v_look(e1) & n_man(x1) & card_eq_2(x1))