People hang upside down as a roller coaster executes a spiral loop-the-loop.
Most of these people are on the verge of throwing up due to hanging upside down on this roller coaster.
Not all people who ride a roller coaster are on the verge of throwing up.
exists e1 p1 p2 x1.(exists e2 s2 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x2) & v_execute(e2) & n_loop-the-loop(x4) & a_spiral(s2) & Theme(s2,x4) & n_coaster(x2) & of(x2,x3) & n_roller(x3)) & as(e1,p2) & exists s1.(r_upside(s1) & Theme(s1,x1) & a_down(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_hang(e1) & n_people(x1))
exists p1 x1 x2 x3 x7 x8.(n_coaster(x7) & of(x7,x8) & n_roller(x8) & n_verge(x3) & n_people(x2) & exists e1 s1 x4 x5 x6.(on(x1,x3) & on(e1,x7) & r_down(e1) & to(e1,x6) & n_hang(x6) & r_due(e1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x5) & Actor(e1,x4) & v_throw(e1) & n_upside(x5) & (x3 = x4)) & of(x1,x2) & n_most(x1))