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Famotidine is a histamine H2 - receptor antagonist used in inpatient settings for prevention of stress ulcers and is showing increasing popularity because of its low cost .
 Chemical: Famotidine; Disease: ulcers
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: Famotidine; Disease: ulcers