( Goodacre ( ( is ( a ( lunar ( impact crater ) ) ) ) . ) )
(ROOT (S (NP (NNP Goodacre)) (VP (VBZ is) (NP (DT a) (NN lunar) (NN impact) (NN crater))) (. .)))
Goodacre is a lunar impact crater.
(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)))))))) (. .)))