model availability introduced length of use last of whiteness
model
availability
introduced
length of use
last of whiteness
number parsed year month
number day
number month
text text date time time
crest whitestrips classic
previously crest whitestrips discontinued may 2001 14 days 12 months
crest 3d intensive professional effects and crest whitestrips 3d professional effects both have a lasting whiteness of how many months ?
NNP NNP JJ JJ NNS CC NN NNS NN JJ NNS CC VBD-AUX DT JJ NN IN WRB JJ NNS .
12 months
select c5 from w where c1 = 'crest whitestrips 3d professional effects'