4912
Invagination to form an otic pit coincides with the formation of several deep folds in the epithelial surface .
 Anatomy: otic pit; Anatomy: folds; Anatomy: epithelial surface
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: otic pit, folds, epithelial surface 
Answer:
 Anatomy: otic pit; Anatomy: folds; Anatomy: epithelial surface