( ( The time ) ( ( may ( be ( divided ( into ( two ( 3-hour segments ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN time)) (VP (MD may) (VP (VB be) (VP (VBN divided) (PP (IN into) (NP (CD two) (JJ 3-hour) (NNS segments)))))) (. .)))
The time may be divided into two 3-hour segments.
(ROOT (S (NP (NNS Bacteria)) (VP (MD may) (VP (VB divide) (NP (NP (QP (JJ several) (NNS times))) (NP (DT an) (NN hour))))) (. .)))