1698
In Experiments 1 and 2 , infants , like adults , initially categorized novel objects on the basis of physical appearance , but only if trained with multiple exemplars , after delays of 1 and 7 days .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None