A small group of people sit on mats near mountains.
People praying at a mosque.
One can't be inside a mosque and outside mountains simultaneously.
exists e1 s1 x1 x2 x3 x4.(near(e1,x4) & n_mountain(x4) & on(e1,x3) & n_mat(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_group(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_mosque(x3) & Actor(e1,x2) & v_pray(e1) & (x1 = x2) & n_people(x1))