Bolts of blue and tips of steal.
( ( ( Bolts ( of ( ( blue and ) tips ) ) ) ( of steal ) ) . )
(ROOT (NP (NP (NNS Bolts)) (PP (IN of) (NP (NN blue) (CC and) (NNS tips))) (PP (IN of) (NP (NNP steal))) (. .)))
The bolts were blue.
( ( The bolts ) ( ( were blue ) . ) )
(ROOT (S (NP (DT The) (NNS bolts)) (VP (VBD were) (ADJP (JJ blue))) (. .)))