19645
Additionally , vitamin absorption was assessed in male Sprague - Dawley rats randomized in the following treatment groups : IV administration of 0 . 1mg / kg vitamin D3 and 1mg / kg vitamin K1 , and a single - dose gavage of 1mg / kg vitamin D3 and 5mg / kg of vitamin K1 in peanut oil with various doses of NSAS slurry , 2 % NSAS - fortified diet , or 50mg / kg stigmastanol .
 Chemical: vitamin D3; Chemical: vitamin K1; Chemical: vitamin D3; Chemical: vitamin K1; Chemical: stigmastanol
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 D3, vitamin K1, vitamin D3, vitamin K1, stigmastanol 
Answer:
 Chemical: vitamin D3; Chemical: vitamin K1; Chemical: vitamin D3; Chemical: vitamin K1; Chemical: stigmastanol