People are on the beach sunbathing near rocky cliffs.
People are going on a hike together.
Sunbathing and going on a hike are separate activities.
exists p1 x1 x2.(n_beach(x2) & exists e1 s1 x3 x4.(on(x1,x2) & near(e1,x4) & n_cliff(x4) & a_rocky(s1) & Theme(s1,x4) & Actor(e1,x3) & v_sunbathe(e1) & (x2 = x3)) & n_people(x1))
exists e1 s1 x1 x2.(a_together(s1) & Manner(e1,s1) & on(e1,x2) & n_hike(x2) & Actor(e1,x1) & v_go(e1) & n_people(x1))