Someone is drilling some plastic on a wooden block.
Someone is working
A person drilling something, is working.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_block(x3) & a_wooden(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_drill(e1) & n_plastic(x2) & n_person(x1))
exists e1 x1.(Actor(e1,x1) & v_work(e1) & n_person(x1))