A dance class of two people stretching.
The people are doing yoga.
They are either in a dance class stretching or doing yoga.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x3) & Actor(e1,x4) & v_stretch(e1) & (x3 = x4) & n_people(x3) & card_eq_2(x3) & n_class(x1) & of(x1,x2) & n_dance(x2))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_yoga(x2))