1289
In conclusion , vitamin A deficiency alters the subunit composition of collagen IV and laminin and the lung ' s proteolytic potential , which are partly reverted by retinoic acid .
 Chemical: vitamin A; Chemical: retinoic acid
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 A, retinoic acid 
Answer:
 Chemical: vitamin A; Chemical: retinoic acid