Several elderly people are interacting with others.
Multiple people interact together.
A several people is also called as multiple people.
exists e1 s1 s2 x1 x2.(with(e1,x2) & -(x2 = x1) & n_person(x1) & n_person(x2) & Actor(e1,x1) & v_interact(e1) & n_people(x1) & a_elderly(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists s1 s2 x1 x2 x3.(Theme(s2,x1) & a_together(s2) & Theme(s1,x3) & a_interact(s1) & (x1 = x3) & n_people(x1) & (x1 = x2) & ne_nam_multiple(x2))