Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Ex Input:
Which tree belongs to the genus Betula?

Ex Output:
birch


Ex Input:
Which Norwegian band had a hit with `Manhattan Skyline`?

Ex Output:
a-ha


Ex Input:
One of two English dancers, along with Margot Fonteyn, to be recognised as a 'prima ballerina assoluta', who founded the English National Ballet in 1951?

Ex Output:

alicia markova