People reading over a small brochure.
The group of people are on a roller-coaster
It is difficult to read on a roller-coaster.
exists e1 s1 x1 x2 x3.(a_topic(x1) & over(e1,x3) & n_brochure(x3) & a_small(s1) & Theme(s1,x3) & Actor(e1,x2) & v_read(e1) & (x1 = x2) & n_people(x1))
exists p1 x1 x2.(n_group(x1) & exists x3.(on(x1,x3) & n_roller-coaster(x3)) & of(x1,x2) & n_people(x2))