Problem: What is the common name of the lymphatic tissue between the back of the nose and the throat?
======
A: adenoids

Problem: What is the Dewey Decimal System used to classify?
======
A: books

Problem: Inspector Japp appears in novels featuring which detective?
======
A: hercule poirot

Problem: Which element is added to rubber in the vulcanization process?
======
A:
sulphur