With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The US-Central America Free Trade Agreement ( CAFTA ) came into force in 2006 and has helped foster foreign direct investment , but physical and political insecurity , as well as crime and perceptions of corruption , may deter potential investors ; about 70 % of FDI is from US firms .
text_B: 2006 is a calendar year
entailed.