With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Volleyball involves techniques like jumping.
text_B: The American Society for Precision Engineering is a non-profit member association , founded in 1986 , dedicated to advancing the arts , sciences and technology of precision engineering , to promote its dissemination through education and training , and its use by science and industry .. precision engineering. precision engineering
not_related.