18299
This study was conducted to determine whether the presence of a meal and the fat content of the meal influences vitamin D absorption or the 25 - hydroxyvitamin D ( 25OHD ) response to supplemental vitamin D ( 3 ) .
 Chemical: vitamin D; Chemical: 25 - hydroxyvitamin D; Chemical: 25OHD; Chemical: vitamin D ( 3 )
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: vitamin D, 25 - hydroxyvitamin D, 25OHD, vitamin D ( 3 ) 
Answer:
 Chemical: vitamin D; Chemical: 25 - hydroxyvitamin D; Chemical: 25OHD; Chemical: vitamin D ( 3 )