The input is a sentence. The sentence includes an emotion. The goal of the task is to classify the emotion in the sentence to one of the classes: 'fear', 'joy', 'anger', 'sadness'. The emotion mainly depends on the adverb within the sentence.

Example Input: Roger feels discouraged.
Example Output: fear

Example Input: The conversation with Darnell was threatening.
Example Output: fear

Example Input: He feels fearful.
Example Output:
fear