Task: Coherence Classification
Input (English): Sentence1: Ray went to a friend's house for a sleepover. Sentence2: He realized that he'd forgotten his toothbrush. Sentence3: He was unable to brush his teeth! Sentence4: Ray tried to use toothpaste on his finger, but it was no use. 
 Sentence5: Finally, Ray  asked his friend if he had a spare toothbrush.
Output (English): Yes