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: The puppy woke up one morning. He went outside and played in the warm sun. Then he was sleepy and took a nap. 
 Sentence: Finally, his owner came home and took him for a walk. 
 Character: The puppy
excited
The puppy is excited to go on a walk with its owner..