A group of people meditating on the beach.
People are sitting on the beach.
meditation can be done by standing or sitting.
exists e1 x1 x2 x3 x4.(n_beach(x4) & a_topic(x1) & of(x1,x2) & on(e1,x4) & Actor(e1,x3) & v_meditate(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))