An older man sits and several people stand.
An older man is standing while everyone else sits.
An older man who sits cannot at the same time be standing.
exists e2 e1 s1 s2 x1 x2.(Actor(e2,x2) & v_stand(e2) & n_people(x2) & a_several(s2) & Theme(s2,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 p1 s1 x1.(all x2.(n_person(x2) -> exists e2.(Actor(e2,x2) & v_sit(e2) & r_else(x2))) & while(e1,p1) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))