Two people performing in front of a crowd on a set of steps while wearing foil suits.
Two people are riding horses.
One can't be performing on a set of steps and riding horses at the same time.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & while(e1,e2) & Theme(e2,x7) & Actor(e2,x2) & v_wear(e2) & n_suit(x7) & of(x7,x8) & n_foil(x8) & in(e1,x3) & of(x3,x4) & on(x4,x5) & of(x5,x6) & n_step(x6) & n_set(x5) & n_crowd(x4) & n_front(x3) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_horse(x2) & n_people(x1) & card_eq_2(x1))