( Ostwald ( ( is ( ( a ( lunar ( impact crater ) ) ) ( on ( ( the ( far side ) ) ( of ( the Moon ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Ostwald)) (VP (VBZ is) (NP (NP (DT a) (NN lunar) (NN impact) (NN crater)) (PP (IN on) (NP (NP (DT the) (JJ far) (NN side)) (PP (IN of) (NP (DT the) (NNP Moon))))))) (. .)))
Ostwald is a lunar impact crater on the far side of the Moon.
(ROOT (S (NP (DT The) (NN lunar) (NN landscape)) (VP (VBZ is) (VP (VBN covered) (PP (IN by) (NP (NP (NNS craters)) (VP (VBN caused) (PP (IN by) (NP (JJ asteroid) (NNS impacts)))))))) (. .)))