Wrestlers locked in competition
An empty stage
Wrestlers in competition means the stage is not empty.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_competition(x3) & Theme(e1,x2) & v_lock(e1) & (x1 = x2) & n_wrestler(x1))
exists s1 x1.(a_topic(x1) & n_stage(x1) & a_empty(s1) & Theme(s1,x1))