A group of people on a roller coaster with yellow tracks are upside-down.
woman sleeps in bed
There can either be a group of people or a woman who are upside-down on a roller coaster or sleeps in bed.
exists s1 s2 x1 x2 x3 x4 x5.(Theme(s2,x1) & a_upside-down(s2) & on(x1,x3) & with(x3,x5) & n_track(x5) & a_yellow(s1) & Theme(s1,x5) & n_coaster(x3) & of(x3,x4) & n_roller(x4) & of(x1,x2) & n_people(x2) & n_group(x1))
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_bed(x3) & n_sleep(x1) & of(x1,x2) & n_woman(x2))