( ( Infant seats ) ( ( are ( ( designed ( for ( babies ( from birth ) ) ) ) ( until ( ( ( ( ( at least ) 20 ) pounds ) and ) ( ( one year ) ( of age ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Infant) (NNS seats)) (VP (VBP are) (VP (VBN designed) (PP (IN for) (NP (NP (NNS babies)) (PP (IN from) (NP (NN birth))))) (PP (IN until) (NP (NP (QP (IN at) (JJS least) (CD 20)) (NNS pounds)) (CC and) (NP (NP (CD one) (NN year)) (PP (IN of) (NP (NN age)))))))) (. .)))
Infant seats are designed for babies from birth until at least 20 pounds and one year of age.
(ROOT (S (PP (IN During) (NP (NP (DT the) (JJ first) (NN year)) (PP (IN after) (NP (NN birth))))) (, ,) (NP (DT a) (NN baby)) (VP (VBD called) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN infant))) (. .)))
During the first year after birth, a baby called a(n) infant.