People engage in a tandem skydive on a cloudy day.
People are eating in a restaurant.
People engage in a restaurant in a tandem.
exists e1 s1 x1 x2 x3 x4.(on(e1,x4) & n_day(x4) & a_cloudy(s1) & Theme(s1,x4) & in(e1,x2) & n_skydive(x2) & of(x2,x3) & n_tandem(x3) & Actor(e1,x1) & v_engage(e1) & n_people(x1))
exists e1 x1 x2.(in(e1,x2) & n_restaurant(x2) & Actor(e1,x1) & v_eat(e1) & n_people(x1))