A clown is blowing bubbles.
The clown is entertaining at a party.
A clown can blow bubbles anywhere, not just at a party.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_blow(e1) & n_bubble(x2) & n_clown(x1))
exists e1 x1 x2.(n_clown(x1) & at(e1,x2) & n_party(x2) & Actor(e1,x1) & v_entertain(e1))