A group of workers in a warehouse boxing up merchandise.
The workers are at work.
Typically, workers who are at work would imply that they are in a warehouse boxing up merchandise.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x5) & Actor(e1,x4) & v_box(e1) & n_merchandise(x5) & (x1 = x4) & in(x1,x3) & n_warehouse(x3) & of(x1,x2) & n_worker(x2) & n_group(x1))
exists p1 x1.(n_worker(x1) & exists x2.(at(x1,x2) & n_work(x2)))