7424
NinerAlert : Tornado Warning - Main Campus - Seek Shelter Now ! {@UNC Charlotte@} Tornado Warning issued April 25 at 9:53PM EDT until April 25 at 10:30PM EDT by NWS Greenville-Spartanburg SC
 Tornado Warning, Main Campus, UNC Charlotte, Tornado Warning, NWS Greenville-Spartanburg SC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 Tornado Warning, Main Campus, UNC Charlotte, Tornado Warning, NWS Greenville-Spartanburg SC