( ( said ( ( ( ( ( she ( was ( pregnant ( with ( one child ) ) ) ) ) and ) ( it ( escalated ( to quadruplets ) ) ) ) and ) ( ( at ( that time ) ) ( I ( wanted ( to ( ( see ( a sonogram ) ) then ) ) ) ) ) ) ) . )
(ROOT (S (VP (VBD said) (SBAR (SBAR (S (S (NP (PRP she)) (VP (VBD was) (ADJP (JJ pregnant) (PP (IN with) (NP (CD one) (NN child)))))) (CC and) (S (NP (PRP it)) (VP (VBD escalated) (PP (TO to) (NP (NNS quadruplets))))))) (CC and) (SBAR (WHPP (IN at) (WHNP (WDT that) (NN time))) (S (NP (PRP I)) (VP (VBD wanted) (S (VP (TO to) (VP (VB see) (NP (DT a) (NN sonogram)) (ADVP (RB then)))))))))) (. .)))
said she was pregnant with one child and it escalated to quadruplets and at that time I wanted to see a sonogram then.
(ROOT (S (NP (NP (CD Four) (NNS children)) (VP (VBN born) (PP (IN at) (NP (CD one) (NN birth))))) (VP (VBP are) (VP (VBN called) (NP (NNS quadruplets)))) (. .)))