In this task, you're given a context, a sentence,  and a character. The sentence describes an action or job of the given character. Also, the context provides more information about the sentence or the character. Your task is to return one of the emotions which are expressed by the Character in the given sentence. For that you can use the Context; however, Context is not provided in all the inputs. Also, in some inputs, there can be zero emotion; for that return 'None'.

Context: Cole was excited about his first day of kindergarten. But he was nervous that nobody would like him. He feared he wouldn't make any friends at all. Then Cole realized that his classmates were all friends from Pre-K. 
 Sentence: Cole had fifteen friends in his class, happy to see him! 
 Character: Cole
friendly