With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Willow Smith is a dancer.
text_B: Scott Gammer -LRB- born 24 October 1976 -RRB- is a British boxer , based in Wales .. British. United Kingdom. Wales. Wales. boxer. boxing. He is a former holder of the British heavyweight title .. British. United Kingdom. British heavyweight title. List of British heavyweight boxing champions
not_related.