Given the task definition, example input & output, solve the new input case.
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'.
Example: Context: A cook was carrying an armful of oranged in the kitchen. 
 Sentence: He dropped one on the floor by accident. 
 Character: Cook
Output: annoyed
The cook dropped one orange on the floor, so, he must feel annoyed at that time.

New input case for you: Context: Henry was trying to call his mom on the phone. For some reason she couldn't hear him. He tried a few fixes but none worked. 
 Sentence: Finally he tried using speaker phone. 
 Character: Mom
Output:
anxious