With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cerebral palsy is partly preventable through immunization of the mother.
text_B: Saint Kea -LRB- Breton and Cornish  : Ke ; Ke -RRB- was a late 5th-century British saint from the Hen Ogledd -LRB- `` Old North '' -RRB- -- the Brythonic-speaking parts of what is now southern Scotland and northern England .. Breton. Breton language. Cornish. Cornish language. British. Britons ( historical ). saint. saint. Hen Ogledd. Hen Ogledd. Brythonic. Brythonic languages. southern Scotland. Scottish Lowlands. northern England. northern England. According to tradition he was chiefly active in Cornwall , Devon and Brittany , and his cult was popular in those regions as well as throughout Wales and the West Country .. Brittany. Brittany. Cornwall. Cornwall. Devon. Devon. cult. Cult ( religious practice ). Wales. Wales. West Country. West Country. St Fili or Filius to whom the parish church of Philleigh is dedicated probably came from Wales and is said to have been a companion of St Kea .. Wales. Wales. Philleigh. Philleigh
not_related.