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Parents are canceling well-child visits . Mass . family physician Kristina Gracey , MD , is offering house calls when possible to maintain vaccine schedules and provide preventive care during # Covid19 . # positiveprofessionalism # familymedicine {{USERNAME}} {@AAFP@} {{URL}}
 location: Mass; person: Kristina Gracey; person: MD; event: Covid19; group: AAFP
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: Mass, Kristina Gracey, MD, Covid19, AAFP 
Answer:
 location: Mass; person: Kristina Gracey; person: MD; event: Covid19; group: AAFP