Two young males wear silver helmets.
The men are wearing helmets.
The two young males are the men and "wear silver helmets" is a rephrasing of "are wearing helmets".
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_helmet(x2) & a_silver(s2) & Theme(s2,x2) & n_male(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_helmet(x2))