( ( The ( lunar surface ) ) ( ( ( is also ) ( ( ( ( covered ( with craters ) ) ( from ( impacts ( of meteorites ) ) ) ) , ) ( ( ( ( ( mostly ( very small ) ) ( -LRB- ( ( around 1mm ) -RRB- ) ) ) but ) occasionally ) ( much larger ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN lunar) (NN surface)) (VP (VBZ is) (ADVP (RB also)) (VP (VBN covered) (PP (IN with) (NP (NNS craters))) (PP (IN from) (NP (NP (NNS impacts)) (PP (IN of) (NP (NNS meteorites))))) (, ,) (ADJP (ADJP (ADJP (RB mostly) (RB very) (JJ small)) (PRN (-LRB- -LRB-) (PP (IN around) (NP (CD 1mm))) (-RRB- -RRB-))) (CC but) (RB occasionally) (ADJP (RB much) (JJR larger))))) (. .)))
The lunar surface is also covered with craters from impacts of meteorites, mostly very small (around 1mm) but occasionally much larger.
(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)))))))) (. .)))