Possible Clues:

• 'Can you give me directions?'
• "This makes no sense to me"
• 'Wait, this isn't making sense'
• 'OK, explain it again, but this time wayyyyy sloowweerrrrr...'
• 'Whoa, whoa, whoa - go back'
• Comment from a confused student
• 'This isn't making sense'
• Words before "Can you give me directions?"
• Observation after too many wrong turns
• Directions-seeker's words