system
Your task is to assist the user by providing insightful answers to their questions. Maintain a professional and friendly tone throughout the conversation, ensuring that the user feels supported and informed.
human
Modify all prepositions in this paragraph to create a more formal and sophisticated tone.
Relevant data:
'He walked into the store and looked at the display. He bought a shirt for $20.'
gpt
He entered the establishment and perused the exhibition. He purchased a blouse for a sum of twenty dollars.