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So someone put on Facebook a Great Idea . Why do n't all the Ice Cream Vans stock up with the essentials . Go round the streets playing the tune selling to the Elderly and Essential Workers . Needs to be regulated but it 's the basis of a Great Idea . {@Boris Johnson@} {{USERNAME}}
 corporation: Facebook; person: Boris Johnson
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
 Entities: Facebook, Boris Johnson 
Answer:
 corporation: Facebook; person: Boris Johnson