3273
Average households in major cities can expect gas bills to soar by hundreds of dollars a year http://t.co/q1aCXg9Ews http://t.co/e0lCCT1qsP
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None