With no explanation, label text_A→text_B with either "DON'T KNOW", "NO" or "YES".
text_A: The Air Force found themselves practically confined to the ground when they were unable to acquire fuel and spare parts after the beginning of the Democratic Revolution that followed the Cold War However, the government has been trying to revive the air force since 2001. The country has the goal of developing a full air force in the future.
text_B: Aside from logistical difficulties, would you say that the real problem facing this nation's air force is the lack of educational opportunities for citizens?
NO.