13407
Their in vitro differentiation to osteoblasts is stimulated by 1 alpha , 25 ( OH ) ( 2 ) D , and recent evidence indicates that they have the capacity to metabolize vitamin D in a regulated manner .
 Chemical: 1 alpha , 25 ( OH ) ( 2 ) D; Chemical: vitamin D
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: 1 alpha , 25 ( OH ) ( 2 ) D; Chemical: vitamin D