Task: Sentence Ordering
Input (English): Sentence1: Jasper notices that he has begun to develop dandruff in his hair. Sentence2: Jasper decides to buy a special anti-dandruff shampoo. Sentence3: He feels very embarrassed about this. Sentence4: Finally he notices that the dandruff is going away. Sentence5: Jasper is happy.
Output (English): 13245