With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Moldova experienced significant political uncertainty in 2009 and 2010 , holding three general elections ( in April 2009 , July 2009 , and November 2010 ) and four presidential ballots in parliament , all of which failed to secure a president .
text_B: 2009 is a calendar year
entailed.