Task: Text Completion
Input (English): Sentence1: Alex suspected that his cat Tigger might have fleas. Sentence2: Tigger was constantly scratching himself day and night. Sentence3: The veterinarian confirmed that Tigger did indeed have fleas. Sentence4: They gave him a flea medication and it cleared up.
Output (English): 3, Alex took Tigger to the veterinarian to be diagnosed.