1946
Prolonged culture led to the implantation of cancer cells into the monolayer of the F - 2 cells , which was mediated mainly by alpha ( 3 ) beta ( 1 ) - integrin .
 Anatomy: cancer cells; Anatomy: monolayer; Anatomy: F - 2 cells
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: cancer cells, monolayer, F - 2 cells 
Answer:
 Anatomy: cancer cells; Anatomy: monolayer; Anatomy: F - 2 cells