People standing in front of mechanical equipment.
A factory supervisor displays a new equipment to his workers
Not all people are a factory supervisor or worker. There is no way to tell if the equipment is new.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & of(x3,x4) & n_equipment(x4) & a_mechanical(s1) & Theme(s1,x4) & n_front(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1))
exists e1 s1 x1 x2 x3 x4.(to(e1,x4) & n_worker(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x3) & Actor(e1,x1) & v_display(e1) & n_equipment(x3) & a_new(s1) & Theme(s1,x3) & n_supervisor(x1) & of(x1,x2) & n_factory(x2))