If Paul Proceeds with Attempting to Obtain and Enforce a Lien

If Paul proceeds with attempting to obtain and enforce a lien, what is the most likely result?

A) Paul will lose because he performed deficient work.
B) Paul will lose unless he already paid Good Windows for the windows, in which case he would win.
C) Paul will win unless Cecelia has a writing signed by him in which he agrees that he will not seek a lien in the case of deficient work.
D) Paul will win if he proves that he had never had a problem installing windows before.
E) Paul will receive only half of his bill because he performed deficient work.