Input question: Lafarge, Holcim, and Heidelberg are among the world's leading producers of?

Output answer: cement

Input question: A graviton is a term in?

Output answer: physics

Input question: In horse racing at which course is the Eclipse Stakes run?

Output answer: sandown

Input question: Four Irishmen have won the Nobel Prize for Literature. Yeats, Shaw and Becket are three, name the other?

Output answer:
heaney