With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tesla, Inc. has a subsidiary that's headquartered in the United States.
text_B: Alexander J. Fatiadi is a chemist .. chemist. chemist. He obtained his masters from George Washington University , Washington DC -LRB- 1957 -RRB- .. He has worked at the National Bureau of Standards .. National Bureau of Standards. National Bureau of Standards
not_related.