People are pouring cement for the work.
Tall humans pouring
Not all people are tall.
exists e1 x1 x2 x3.(n_work(x3) & for(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_pour(e1) & n_cement(x2) & n_people(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Actor(e1,x3) & v_pour(e1) & (x1 = x3) & n_human(x1) & (x1 = x2) & ne_nam_tall(x2))