3998
For 228 of 425 deaths ( 54 % ) occurring among 26 100 people of known age in the Malumfashi area of northern Nigeria , data were collected on symptoms present prior to death .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None