Several individuals are gathered on the beach.
People are on a beach.
Several individuals can be described as people.
exists e1 s1 x1 x2.(n_beach(x2) & on(e1,x2) & Theme(e1,x1) & v_gather(e1) & n_individual(x1) & a_several(s1) & Theme(s1,x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_beach(x2)) & n_people(x1))