3688
Congestive heart failure caused or contributed to death in 0 / 32 patients in Group 1 v 6 / 52 ( 12 % ) of patients in Group 2 ( P less than 0 . 25 ) .
 Disease: Congestive heart failure
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:
 Disease: Congestive heart failure