499
Rotherham  has three leading further education institutions  Thomas Rotherham  College Dearne Valley College and the Rotherham College of Arts and Technology .
 founded by: Rotherham, Thomas Rotherham
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:
 founded by: Rotherham, Thomas Rotherham