137950
The Company has issued press releases disclosing partnerships with Pfizer , Merck & Co. , Johnson & Johnson , and AstraZeneca , all citing the use of the company ’s drug repositioning technology .
 organization: Pfizer; organization: Merck & Co.; organization: Johnson & Johnson; organization: AstraZeneca
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Pfizer, Merck & Co., Johnson & Johnson, AstraZeneca 
Answer:
 organization: Pfizer; organization: Merck & Co.; organization: Johnson & Johnson; organization: AstraZeneca