Related Clues:

• Quick and witty reply
• Quick rejoinder
• A sharp rejoinder
• Quick and clever or angry reply
• Quick sharp reply
• One might go off in church, by the sound of it
• The answer is a scientific one
• Send the letter off in ire
• That answer is about wrong
• How in reply I get the letter off in about here
• The sort of answer one might get from the laboratory
• The answer is in the laboratory
• It's about what's wrong for a reply from the laboratory (6)
• The answer of the lab
• A reply from the laboratory