13250
METHODS AND RESULTS : Embryos treated with VPA ( 35 mu mol / egg ) on day 14 were similar to controls for hatching date ( day 21 ) and hatchlings ' abilities , such as motor , imprinting , and surface righting .
 Chemical: VPA
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: VPA