this loose collection of largely improvised numbers 
(ROOT (NP (NP (DT this) (JJ loose) (NN collection)) (PP (IN of) (NP (ADJP (RB largely) (VBN improvised)) (NNS numbers)))))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (ADJP (RB ) (VBN )) (NNS )))))