to consider the looseness of the piece 
(ROOT (S (VP (TO to) (VP (VB consider) (NP (NP (DT the) (NN looseness)) (PP (IN of) (NP (DT the) (NN piece))))))))
(ROOT (S (VP (TO ) (VP (VB ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN ))))))))