A lovely couple is dancing behind a stage.
Two people are playing hopscotch at a concert.
The couple can't be playing hopscotch while dancing.
exists e1 s1 x1 x2.(behind(e1,x2) & n_stage(x2) & Actor(e1,x1) & v_dance(e1) & n_couple(x1) & a_lovely(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(at(e1,x3) & n_concert(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hopscotch(x2) & n_people(x1) & card_eq_2(x1))