In this task, you are given a question and a context passage. You have to answer the question based on the given passage.

On what planet are the countries that import Guinea-Bissau's exports located?, Context: Guinea-Bissau's GDP per capita is one of the lowest in the world, and its Human Development Index is one of the lowest on earth. More than two-thirds of the population lives below the poverty line. The economy depends mainly on agriculture; fish, cashew nuts and ground nuts are its major exports.
earth

What first lady was a member?, Context: In 1975, a group of Chicago Cubs fans based in Washington, D.C. formed the Emil Verban Society. The society is a select club of high profile Cub fans, currently headed by Illinois Senator Dick Durbin which is named for Emil Verban, who in three seasons with the Cubs in the 1940s batted .280 with 39 runs batted in and one home run. Verban was picked as the epitome of a Cub player, explains columnist George Will, because "He exemplified mediocrity under pressure, he was competent but obscure and typifying of the work ethics." Verban initially believed he was being ridiculed, but his ill feeling disappeared several years later when he was flown to Washington to meet President Ronald Reagan, also a society member, at the White House. Hillary Clinton, Jim Belushi, Joe Mantegna, Rahm Emanuel, Dick Cheney and many others have been included among its membership.
Hillary Clinton

What two things are crucial to the critical text when it is being written?, Context: When comparing different documents, or "witnesses", of a single, original text, the observed differences are called variant readings, or simply variants or readings. It is not always apparent which single variant represents the author's original work. The process of textual criticism seeks to explain how each variant may have entered the text, either by accident (duplication or omission) or intention (harmonization or censorship), as scribes or supervisors transmitted the original author's text by copying it. The textual critic's task, therefore, is to sort through the variants, eliminating those most likely to be un-original, hence establishing a "critical text", or critical edition, that is intended to best approximate the original. At the same time, the critical text should document variant readings, so the relation of extant witnesses to the reconstructed original is apparent to a reader of the critical edition. In establishing the critical text, the textual critic considers both "external" evidence (the age, provenance, and affiliation of each witness) and "internal" or "physical" considerations (what the author and scribes, or printers, were likely to have done).

relation of extant witnesses to the reconstructed original is apparent to a reader