Two people performing back flips in front of a small crowd.
Everybody is sitting on the ground.
They can either be performing back flips or sitting.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x4) & of(x4,x5) & n_crowd(x5) & a_small(s2) & Theme(s2,x5) & n_front(x4) & a_back(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_perform(e1) & n_flip(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists x2.(n_ground(x2) & all x1.(n_person(x1) -> exists e1.(on(e1,x2) & Actor(e1,x1) & v_sit(e1))))