49121
The region is served also by WHYY-TV stations WLVT-TV ( Philadelphia ) , NJTV ( Wilmington , Delaware and Philadelphia ) , owned-and-operated station ( Lehigh Valley ) , and NBC ( New Jersey ) .
 WHYY-TV, WLVT-TV, Philadelphia, NJTV, Wilmington, Delaware, Philadelphia, Lehigh Valley, NBC, New Jersey
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 WHYY-TV, WLVT-TV, Philadelphia, NJTV, Wilmington, Delaware, Philadelphia, Lehigh Valley, NBC, New Jersey