Once I was very frightened at night as I had a very fearful and  
terrifying dream, I could not go back to sleep for a long time.
once i was very frightened at night as i had a very fearful and  terrifying dream i could not go back to sleep for a long time
[INST] In this task, you will be performing a classification exercise aimed at identifying the underlying emotion conveyed by a given sentence. The emotions to consider are as follows: Anger, Joy, Sadness, Guilt, Shame, Fear, or Disgust Sentence: Once I was very frightened at night as I had a very fearful and  
terrifying dream, I could not go back to sleep for a long time. [/INST] fear