Four ski patrollers on skis are wearing helmets and goggles.
A man wears goggles on his feet.
A man cannot be four ski patrollers.
exists e1 x1 x2 x3 x4 x5 x6.(Theme(e1,x4) & Actor(e1,x1) & v_wear(e1) & subset_of(x6,x4) & n_goggles(x6) & subset_of(x5,x4) & n_helmet(x5) & on(x1,x3) & n_ski(x3) & n_patroller(x1) & of(x1,x2) & n_ski(x2) & card_eq_4(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_foot(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_goggles(x2) & n_man(x1))