At least four people playing ice hockey.
At least four men playing ice hockey.
Just because there are at least four people are playing ice hockey doesn't mean they are all men.
exists e1 e2 x1 x2 x3.(a_at(e2) & Actor(e2,e1) & v_least(e2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & of(x2,x3) & n_ice(x3) & n_people(x1) & card_eq_4(x1))
exists e1 e2 x1 x2 x3.(a_at(e2) & Actor(e2,e1) & v_least(e2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & of(x2,x3) & n_ice(x3) & n_man(x1) & card_eq_4(x1))