22776
During sucralose testing ( Experiment 2 ) , MOR knockout mice licked at approximately half the wildtype rate , providing more direct evidence that MOR knockout mice were impaired in processing stimulus palatability .
 Chemical: sucralose
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: sucralose