With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Chernobyl disaster caused 2 deaths within the facility.
text_B: The period of Chola rule in the island of Sri Lanka began in the 2nd BCE with Manu Needhi Cholan who upon capturing the throne became king of the Anuradhapura Kingdom .. Manu Needhi Cholan. Ellalan. Anuradhapura Kingdom. Anuradhapura Kingdom. In 993 AD , Raja Raja Chola sent a large Chola army which conquered the Anuradhapura Kingdom , in the north , and added it to the sovereignty of the Chola Empire .. Anuradhapura Kingdom. Anuradhapura Kingdom. Raja Raja Chola. Raja Raja Chola. Chola Empire. Chola Empire. The whole or most of the island was subsequently conquered and incorporated as a province of the vast Chola empire during the reign of his son Rajendra Chola .. Chola empire. Rajendra Chola I#Overseas conquests. Rajendra Chola. Rajendra Chola. The Chola rule which lasted for eight decades in the island , would be overthrown in 1077 through a rebellion led by Vijayabahu I one of the dispossessed Sinhalese monarchs .. Vijayabahu I. Vijayabahu I. The Cholas fought many subsequent wars and attempted to reconquer Anuradhapura as the Sinhalese monarchs were allies of their arch-enemies , the Pandyas .. Pandyas. Pandyas
not_related.