Several people stand with water pails.
People are grouped together.
"Grouped together" refers to stand.
exists e1 s1 x1 x2 x3.(with(e1,x2) & n_pail(x2) & of(x2,x3) & n_water(x3) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 s1 x1.(a_together(s1) & Manner(e1,s1) & Theme(e1,x1) & v_group(e1) & n_people(x1))