A gymnast practices on the rings.
the gymnast took the day off
If the gymnast took the day off, then the gymnast is not practicing.
exists x1 x2 x3.(n_ring(x3) & a_topic(x1) & on(x1,x3) & n_practice(x1) & of(x1,x2) & n_gymnast(x2))
exists e1 s1 x1 x2.(n_day(x2) & n_gymnast(x1) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1))