Input: Article: Chopin's music was used in the 1909 ballet Chopiniana, choreographed by Michel Fokine and orchestrated by Alexander Glazunov. Sergei Diaghilev commissioned additional orchestrationsfrom Stravinsky, Anatoly Lyadov, Sergei Taneyev and Nikolai Tcherepninfor later productions, which used the title Les Sylphides.

Now answer this question: Who orchestrated Chopiniana?

Output: Alexander Glazunov

Input: Article: The Sell Assessment of Sexual Orientation (SASO) was developed to address the major concerns with the Kinsey Scale and Klein Sexual Orientation Grid and as such, measures sexual orientation on a continuum, considers various dimensions of sexual orientation, and considers homosexuality and heterosexuality separately. Rather than providing a final solution to the question of how to best measure sexual orientation, the SASO is meant to provoke discussion and debate about measurements of sexual orientation.

Now answer this question: What does SASO stand for?

Output: Sell Assessment of Sexual Orientation

Input: Article: By August, the KPA had pushed back the ROK Army and the Eighth United States Army to the vicinity of Pusan in southeast Korea. In their southward advance, the KPA purged the Republic of Korea's intelligentsia by killing civil servants and intellectuals. On 20 August, General MacArthur warned North Korean leader Kim Il-sung that he was responsible for the KPA's atrocities. By September, the UN Command controlled the Pusan perimeter, enclosing about 10% of Korea, in a line partially defined by the Nakdong River.

Now answer this question: What body of water provided a natural border to the UN command-controlled Pusan perimeter?

Output:
Nakdong River