Problem: Symbiosis:

Commensal relationships may involve one organism using another for transportation (phoresy) or for housing (inquilinism), or it may also involve one organism using something another created, after its death (metabiosis). Examples of metabiosis are hermit crabs using gastropod shells to protect their bodies and spiders building their webs on plants.

What type of relationship is it when arachnids attach webs to dead plants?
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A: metabiosis

Problem: Pub:

The Eagle and Child and the Lamb and Flag, Oxford, were regular meeting places of the Inklings, a writers' group which included J. R. R. Tolkien and C. S. Lewis. The Eagle in Cambridge is where Francis Crick interrupted patrons' lunchtime on 28 February 1953 to announce that he and James Watson had "discovered the secret of life" after they had come up with their proposal for the structure of DNA. The anecdote is related in Watson's book The Double Helix. and commemorated with a blue plaque on the outside wall.

Where is the Eagle pub located?
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A: Cambridge

Problem: Labour Party (UK):

The Communist Party of Great Britain was refused affiliation to the Labour Party between 1921 and 1923. Meanwhile, the Liberal Party declined rapidly, and the party also suffered a catastrophic split which allowed the Labour Party to gain much of the Liberals' support. With the Liberals thus in disarray, Labour won 142 seats in 1922, making it the second largest political group in the House of Commons and the official opposition to the Conservative government. After the election the now-rehabilitated Ramsay MacDonald was voted the first official leader of the Labour Party.

Who was voted the last official leader of the Labour Party?
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A: unanswerable

Problem: Gothic architecture:

The characteristic forms that were to define Gothic architecture grew out of Romanesque architecture and developed at several different geographic locations, as the result of different influences and structural requirements. While barrel vaults and groin vaults are typical of Romanesque architecture, ribbed vaults were used in the naves of two Romanesque churches in Caen, Abbey of Saint-Etienne and Abbaye aux Dames in 1120. Another early example is the nave and apse area of the Cathedral of Cefalu in 1131. The ribbed vault over the north transept at Durham Cathedral in England, built from 1128 to 1133, is probably earlier still and was the first time pointed arches were used in a high vault.

What cathedral first made use of pointed arches in high vaults?
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A:
Durham Cathedral in England