A group of people meditate on the beach.
A men's only club is sitting on sand relaxing together.
The Group must be some type of team for men only. The information cannot be infered in the previous sentence because a group of people is a vague set but a men's only club  is a more elaborate .
exists e1 x1 x2 x3.(n_beach(x3) & on(e1,x3) & Actor(e1,x1) & v_meditate(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 e2 s1 x1 x2 x3.(for(e1,e2) & a_together(s1) & Manner(e2,s1) & Actor(e2,x2) & v_relax(e2) & on(e1,x3) & n_sand(x3) & Actor(e1,x2) & v_sit(e1) & all x4.(n_club(x4) -> (x2 = x4)) & n_club(x2) & of(x2,x1) & n_man(x1))