153854
The Delaware Valley Mantarays were a semi-professional rugby league football team based in the Delaware Valley area of the U.S. state of Pennsylvania .
 Delaware Valley Mantarays, Delaware Valley, Pennsylvania
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Delaware Valley Mantarays, Delaware Valley, Pennsylvania