17946
DAT - KO mice buried fewer marbles than DAT - WT and - HET mice in an assessment of compulsive - like behaviors , likely due to extreme hyperactivity and related inattention .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None