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# ClimateChange : Why are # US senators wearing this symbol ? Climate scientist , {@Ed Hawkins@} created graphic representing our warming world . US Democrat senators Tom Carper , Sheldon Whitehouse & Chris Van Hollen wore it as badge at State of the Union address . {{URL}}
 US senators, Ed Hawkins, US Democrat senators, Tom Carper, Sheldon Whitehouse, Chris Van Hollen, State of the Union address
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:
 US senators, Ed Hawkins, US Democrat senators, Tom Carper, Sheldon Whitehouse, Chris Van Hollen, State of the Union address