People are walking in the street while other people sit and have lunch.
The people are in the military
not all people are in the military.
exists e1 p1 x1 x2 x5.(n_street(x2) & exists e3 e2 x3 x4 x6.(Theme(e3,x6) & Actor(e3,x4) & v_have(e3) & n_lunch(x6) & -(x4 = x5) & n_people(x4) & Actor(e2,x3) & v_sit(e2) & -(x3 = x1) & n_people(x3)) & n_people(x5) & n_people(x1) & n_people(x1) & while(e1,p1) & in(e1,x2) & Actor(e1,x1) & v_walk(e1))
exists p1 x1 x2.(n_military(x2) & n_people(x1) & in(x1,x2))