Possible Clues:

• ... Not like 'that', like this, in which article appears dull
• Favouring note of originality around one of dull texts
• Boring with Mandela in charge?
• Hackneyed
• Ordinary - not poetical
• Matter-of-fact intelligence such Standard English reflects
• Dull woman in short film
• Dull (writing)
• Girl in picture lacking in imagination
• Lacking excitement from paid sportsmen with agents on the way back