A group of construction workers watching other workers go up in a lift.
The workers are worried.
Workers watching other workers does not imply that they are worried.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(in(e2,x6) & n_lift(x6) & a_up(s1) & Manner(e2,s1) & Actor(e2,x1) & v_go(e2) & Theme(e1,x5) & Actor(e1,x4) & v_watch(e1) & -(x5 = x2) & n_worker(x2) & n_worker(x2) & n_worker(x5) & (x1 = x4) & of(x1,x2) & of(x2,x3) & n_construction(x3) & n_group(x1))
exists s1 x1.(n_worker(x1) & Theme(s1,x1) & a_worry(s1))