With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Hearing loss may be noise induced.
text_B: The Glyndwr Rising , Welsh Revolt or Last War of Independence was an uprising of the Welsh between 1400 and 1415 , led by Owain Glyndwr , against the Kingdom of England .. Kingdom of England. Kingdom of England. Owain Glyndwr. Owain Glyndwr. It was the last major manifestation of a Welsh independence movement before the incorporation of Wales into England by the Laws in Wales Acts 1535 -- 1542 .. Wales. Principality of Wales
not_related.