A welder dressed in green at his work station
A welder at his station.
a welder at his work station means same as a welder at his station
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & at(e1,x4) & n_station(x4) & of(x4,x5) & n_work(x5) & of(x4,x1) & n_male(x1) & in(e1,x3) & n_green(x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_welder(x1))
exists x1 x2.(a_topic(x1) & at(x1,x2) & n_station(x2) & of(x2,x1) & n_male(x1) & n_welder(x1))