Kids in helmets play hockey outside.
The kids are playing on a frozen lake.
Not all outdoor hockey is played on a frozen lake.
exists e1 s1 s2 x1 x2.(a_outside(s2) & Manner(e1,s2) & a_hockey(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & n_helmet(x2) & n_kid(x1))
exists e1 s1 x1 x2.(n_kid(x1) & on(e1,x2) & n_lake(x2) & a_frozen(s1) & Theme(s1,x2) & Actor(e1,x1) & v_play(e1))