A pair of office workers are diligently performing their tasks on messy desks.
Office workers performing specific job duty
Just because there are a pair of office workers performing their tasks on messy desks, it doesn't necessarily mean that they are performing any particularly specific job duty.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_diligently(s2) & Manner(e1,s2) & on(e1,x5) & n_desk(x5) & a_messy(s1) & Theme(s1,x5) & Theme(e1,x4) & Actor(e1,x1) & v_perform(e1) & n_task(x4) & of(x4,x1) & n_thing(x1) & of(x1,x2) & n_worker(x2) & of(x2,x3) & n_office(x3) & n_pair(x1))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_duty(x3) & of(x3,x4) & n_job(x4) & a_specific(s1) & Theme(s1,x3) & n_worker(x1) & (x1 = x2) & ne_org_office(x2))