1275
Not long after leaving the lake the Jones Falls enters  Baltimore  directly underneath an intersection of Interstate 83 and the  Baltimore Light Rail  's mainline with both routes beginning to parallel I-83 .
 city of headquarters: Baltimore, Baltimore Light Rail
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:
 city of headquarters: Baltimore, Baltimore Light Rail