Several workers standing around wearing bright yellow shirts and hard hats.
Workers standing around is wearing yellow shirt and hard hats
Several workers are workers, and is wearing yellow shirt is a paraphrase of wearing bright yellow shirts.
exists e1 e2 s1 s2 s3 s4 x1 x2 x3 x4.(around(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_wear(e2) & n_hat(x4) & a_hard(s4) & Theme(s4,x4) & n_shirt(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_yellow(s3) & Theme(s3,x2) & a_bright(s2) & Theme(s2,x2) & Actor(e1,x1) & v_stand(e1) & n_worker(x1) & a_several(s1) & Theme(s1,x1))
exists e1 e2 p1 s1 s2 x1 x2 x3 x4.(Theme(e2,x3) & Actor(e2,x1) & v_wear(e2) & n_hat(x3) & a_hard(s2) & Theme(s2,x3) & of(x3,x4) & n_shirt(x4) & a_yellow(s1) & Theme(s1,x3) & exists s3.(Theme(s3,x2) & a_around(s3)) & Topic(e1,p1) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_worker(x1))