Referee on left interrupts hockey match
The referee is is sleeping.
There can be either a referee who interrupts a hockey match or sleeping.
exists s1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & n_match(x2) & of(x2,x4) & n_hockey(x4) & of(x2,x3) & n_interrupt(x3) & a_left(s1) & Theme(s1,x2) & n_referee(x1))
exists e2 e1 x1 x2.(n_referee(x1) & Actor(e2,x1) & v_sleep(e2) & Actor(e1,x2) & v_be(e1) & (x1 = x2))