Task: Sentence Ordering
Input (English): Sentence1: The kids started to pester their mother, who was still on the phone. Sentence2: While she was talking, the dog dragged mud all over the kitchen. Sentence3: The mother felt quite frustrated. Sentence4: But then she got an important phone call. Sentence5: Mother told her children it would be lunchtime in fifteen minutes.
Output (English): 43521