With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There is a Christian state called Costa Rica with state churches.
text_B: James Winston Watts -LRB- January 19 , 1904 -- November 15 , 1994 -RRB- was a neurosurgeon , born in Lynchburg , Virginia and a graduate of the Virginia Military Institute and the University of Virginia School of Medicine .. Virginia Military Institute. Virginia Military Institute. University of Virginia School of Medicine. University of Virginia School of Medicine. neurosurgeon. neurosurgeon. Watts is noteworthy for his professional partnership with the neurologist and psychiatrist Walter Freeman .. Walter Freeman. Walter Freeman ( surgeon ). The two became advocates and prolific practitioners of psychosurgery , specifically the lobotomy .. lobotomy. lobotomy. psychosurgery. psychosurgery. Watts wrote two books on lobotomies with Dr. Freeman  : `` Psychosurgery , Intelligence , Emotion and Social Behavior Following Prefrontal Lobotomy for Medical Disorders '' in 1942 and `` Psychosurgery in the Treatment of Mental Disorders and Intractable Pain '' in 1950 .. He is also known for carrying out the lobotomy of Rose Marie Kennedy under the supervision of Freeman .. lobotomy. lobotomy. Rose Marie Kennedy. Rose Marie Kennedy. Kennedy 's mental capacity diminished to that of a two-year-old child .. She could not walk or speak intelligibly and was considered incontinent .
not_related.