Several people are sitting in a public space on a bench.
People are sitting around
Several people is a rephrasing of people, and sitting is a rephrasing of sitting around.
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_bench(x3) & in(e1,x2) & n_space(x2) & a_public(s2) & Theme(s2,x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 s1 x1.(a_around(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_people(x1))