Possible Clues:

• 'Am I supposed to be impressed?'
• 'Big deal...'
• Criminal was almost shot -- does it matter?
• Does it matter what might cover a pig's ear?
• Does it make any difference to Shaw? Yes, it does
• Pig has sat on clothes item? It doesn't matter!
• In this way, there's a sort of thaw - but who cares?
• Pork to be served with pork pie: does it matter?
• I couldn't care less
• Unconcerned retort