A man is pulling a chain in a workshop.
A man sleeping.
A person who is sleeping cannot also be pulling a chain.
exists e1 x1 x2 x3.(in(e1,x3) & n_workshop(x3) & Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & n_chain(x2) & n_man(x1))
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_man(x1))