Many people in formation on a field.
Several people standing together.
People in a formation can be standing, sitting, kneeling, or prostrate, and several is fewer than many.
exists x1 x2 x3.(a_topic(x1) & in(x1,x2) & on(x2,x3) & n_field(x3) & n_formation(x2) & n_people(x1) & n_quantity(x1))
exists e1 s1 s2 x1 x2.(a_topic(x1) & a_together(s2) & Manner(e1,s2) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))