187283
Episodes generally feature breaking the fourth wall , 11 minutes of interactivity , A target word that is repeated multiple times , A few words of Mandarin Chinese vocabulary , One or more of Kai-lan 's friends having a negative emotional response to some action or activity ( problem ) , Kai-lan thinking out loud ( observation ) , Cause-and-effect problem solving , and before saying goodbye ( at the end of each episode ) , Kai-lan says , " You make my heart feel super happy ! "
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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