School children in uniforms sit on hill, while eating lunch.
Kids eating lunch.
School children are kids, they are eating lunch.
exists e1 e2 x1 x2 x3 x4 x5.(while(e1,e2) & Theme(e2,x5) & Actor(e2,x1) & v_eat(e2) & n_lunch(x5) & on(e1,x4) & n_hill(x4) & Actor(e1,x1) & v_sit(e1) & in(x1,x3) & n_uniform(x3) & n_child(x1) & (x1 = x2) & ne_nam_school(x2))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_eat(e1) & n_lunch(x3) & (x1 = x2) & n_kid(x1))