Woman helping serve food to guests at a picnic.
There is a picnic.
Food is served to guests by a woman because there is a picnic.
exists e1 p1 x1.(ne_nam_woman(x1) & exists e2 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_serve(e2) & at(x2,x4) & n_picnic(x4) & to(x2,x3) & n_guest(x3) & n_food(x2)) & Topic(e1,p1) & Actor(e1,x1) & v_help(e1))
exists p1 x1 x2.((x1 = x2) & n_picnic(x2))