Task: Coherence Classification
Input (English): Sentence1: Alex suspected that his cat Tigger might have fleas. Sentence2: Tigger was constantly scratching himself day and night. Sentence3: Alex took Tigger to the veterinarian to be diagnosed. Sentence4: The veterinarian confirmed that Tigger did indeed have fleas. 
 Sentence5: They gave him a flea medication and it cleared up.
Output (English): Yes