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: My mother told us all about the recent threatening events.
Example Output: fear

Example Input: This girl feels devastated.
Example Output: sadness

Example Input: Frank told us all about the recent heartbreaking events.
Example Output:
sadness