Detailed Instructions: 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'.
Q: Context: Boomer and Abby are my two puppies. They like to get into trouble. They are always trying to escape the backyard. One day I watched Boomer tunnel under the fence. 
 Sentence: He then ran to the front door and barked to let him in! 
 Character: Boomer
A:
aware