90595
Several major accidents have occurred during the system 's half-century in service , including a train-to-train collision in 2005 caused by a gauntlet track installed in the 1988 renovation near the Westlake Center terminal .
 Westlake Center
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Westlake Center