With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: During World War II there was a military campaign that lasted 6 years.
text_B: Lieutenant-General Thomas William Corbett CB MC and bar -LRB- 2 June 1888 -- 30 December 1981 -RRB- was a British Indian Army officer who commanded IV Corps during World War II .. British Indian Army. British Indian Army. IV Corps. IV Corps ( United Kingdom ). World War II. World War II. Order of the Bath. Military Cross. Lieutenant-General. Lieutenant-General. bar. medal bar
not_related.