Task: Sentence Ordering
Input (English): Sentence1: The patron helped teach Chris how to speak basic French. Sentence2: Chris was on his second layover of the week. Sentence3: Pacing around the airport, he decided he would make use of this time. Sentence4: Installing an app on his phone, he began practicing his french. Sentence5: Another patron of the airport overheard him and offered him assistance
Output (English): 51234