Task: Sentence Ordering
Input (English): Sentence1: He is proud that the coffee he made at home is so good. Sentence2: One day Hector decides to brew coffee at home. Sentence3: Hector kept brewing his own coffee and saved money. Sentence4: Hector has always bought coffee at a local shop before work. Sentence5: He realizes that his coffee buying habit is very expensive.
Output (English): 43512