Extensive documentation of the IPM is available at //www.epa.gov/airmarkets/epa-ipm/index.html.
( ( ( Extensive documentation ) ( of ( the IPM ) ) ) ( ( is ( available ( at ( / ( / www.epa.gov/airmarkets/epa-ipm/index.html ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Extensive) (NN documentation)) (PP (IN of) (NP (DT the) (NNP IPM)))) (VP (VBZ is) (ADJP (JJ available) (PP (IN at) (NP (JJ /) (JJ /) (NN www.epa.gov/airmarkets/epa-ipm/index.html))))) (. .)))
The documents are online.
( ( The documents ) ( ( are online ) . ) )
(ROOT (S (NP (DT The) (NNS documents)) (VP (VBP are) (ADJP (JJ online))) (. .)))