Related Clues:

• See 13-Down
• '___ me?'
• One of the five W's
• Reporter's question
• Justification
• Toddler's frequent query
• The waiter asked ...
• Reason
• Reporter's query
• Three-year-old's question
• Rationale
• Explanation
• 'Sure!'
• 'Please explain'
• Investigator's question