( They ( ( ( lay ( amniotic eggs ) ) ( as ( do ( all reptiles ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBD lay) (NP (JJ amniotic) (NNS eggs)) (SBAR (IN as) (S (VP (VBP do) (NP (DT all) (NNS reptiles)))))) (. .)))
They lay amniotic eggs as do all reptiles.
(ROOT (S (NP (JJS Most) (NNS reptiles)) (VP (VBD lay) (NP (JJ amniotic) (NNS eggs))) (. .)))