A pair of office workers are diligently performing their tasks on messy desks.
Two female workers are working on an important presentation.
Just because there is a pair of office workers diligently performing their tasks on messy desks, it doesn't necessarily mean that they are female workers, or that they are working on anything important, or that they are working on an important presentation.
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 s2 x1 x2.(on(e1,x2) & n_presentation(x2) & a_important(s2) & Theme(s2,x2) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & a_female(s1) & Theme(s1,x1) & card_eq_2(x1))