( ( By contrast ) ( , ( ( ( large ( plant-eating ( land mammals ) ) ) ( such ( as elephants ) ) ) ( ( ( give birth ) ( to ( ( only ( few offspring ) ) ( that ( ( are well ) ( cared for ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN By) (NP (NN contrast))) (, ,) (NP (NP (JJ large) (JJ plant-eating) (NN land) (NNS mammals)) (PP (JJ such) (IN as) (NP (NNS elephants)))) (VP (VBP give) (NP (NN birth)) (PP (TO to) (NP (NP (RB only) (JJ few) (NN offspring)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADVP (RB well)) (VP (VBN cared) (PP (IN for))))))))) (. .)))
By contrast, large plant-eating land mammals such as elephants give birth to only few offspring that are well cared for.
(ROOT (S (NP (JJ Placental) (NNS mammals)) (VP (VBP give) (NP (NN birth)) (PP (TO to) (NP (ADJP (RB relatively) (JJ large)) (NNS fetuses)))) (. .)))