2874
On the breakup of the  Central Electricity Generating Board  in 1990 the ownership and operation of the National Grid in England and Wales passed to National Grid Company plc later to become National Grid Transco and now  National Grid plc  .
 subsidiaries: Central Electricity Generating Board, National Grid plc
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 subsidiaries: Central Electricity Generating Board, National Grid plc