The worker concentrates on his task as a gardener as he trims the hedges with care.
The gardener is mowing the grass.
It would be difficult for someone to be mowing the grass and trimming the hedges at the same time.
exists e1 p1 x1 x2 x3 x4.(n_hedge(x4) & n_male(x1) & n_male(x1) & n_task(x2) & of(x2,x1) & n_worker(x1) & exists e2 x5.(with(e2,x5) & n_care(x5) & Theme(e2,x4) & Actor(e2,x1) & v_trim(e2)) & as(e1,p1) & on(e1,x2) & as(x2,x3) & n_gardener(x3) & Actor(e1,x1) & v_concentrate(e1))
exists e1 x1 x2.(n_grass(x2) & n_gardener(x1) & Theme(e1,x2) & Actor(e1,x1) & v_mow(e1))