A woman demonstrates how to operate a vacuum cleaner while others watch.
A woman is cooking dinner.
A woman is either cooking dinner or operating a vacuum cleaner.
exists e1 x1 x2.(Topic(e1,x2) & Actor(e1,x1) & v_demonstrate(e1) & n_manner(x2) & exists e2 p1 x3 x4 x5.(exists e3 x6.(Actor(e3,x6) & v_watch(e3) & -(x6 = x1) & n_person(x6)) & while(e2,p1) & Theme(e2,x4) & Actor(e2,x3) & v_operate(e2) & n_cleaner(x4) & of(x4,x5) & n_vacuum(x5)) & n_person(x1) & n_woman(x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_dinner(x2) & a_cooking(s1) & Theme(s1,x2)) & n_woman(x1))