With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Yamaha Corporation is a corporation that spans across and provides services or products across the world.
text_B: Operation Determined Effort was a plan developed by NATO to assist in the withdrawal of UNPROFOR from Bosnia , if such a withdrawal became necessary .. UNPROFOR. UNPROFOR. Determined Effort was never executed , but its planning formed the basis for Operation Joint Endeavor , and the commitment to deploy the United States armed forces to Bosnia under the plan was of great political significance .. Operation Joint Endeavor. Operation Joint Endeavor. United States armed forces. United States armed forces
not_related.