This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

Input: Consider Input: Passage: In September 1828 Chopin, while still a student, visited Berlin with a family friend, zoologist Feliks Jarocki, enjoying operas directed by Gaspare Spontini and attending concerts by Carl Friedrich Zelter, Felix Mendelssohn and other celebrities. On an 1829 return trip to Berlin, he was a guest of Prince Antoni Radziwi, governor of the Grand Duchy of Posenhimself an accomplished composer and aspiring cellist. For the prince and his pianist daughter Wanda, he composed his Introduction and Polonaise brillante in C major for cello and piano, Op. 3. Question: What piece did Frederic create specifically for the prince and the prince's daughter, Wanda?

Output: Introduction and Polonaise brillante in C major for cello and piano, Op. 3

Input: Consider Input: Passage: In addition to films, Turner Classic Movies also airs original content, mostly documentaries about classic movie personalities, the world of filmmaking and particularly notable films. An occasional month-long series, Race and Hollywood, showcases films by and about people of non-white races, featuring discussions of how these pictures influenced white people's image of said races, as well as how people of those races viewed themselves. Previous installments have included "Asian Images on Film" in 2008, "Native American Images on Film" in 2010, "Black Images on Film" in 2006 "Latino Images on Film" in 2009 and "Arab Images on Film" in 2011. The network aired the film series Screened Out (which explored the history and depiction of homosexuality in film) in 2007 and Religion on Film (focusing on the role of religion in cinematic works) in 2005. In 2011, TCM debuted a new series entitled AFI's Master Class: The Art of Collaboration. Question: In what year did Screened Out appear?

Output: 2007

Input: Consider Input: Passage: To define light source color properties, the lighting industry predominantly relies on two metrics, correlated color temperature (CCT), commonly used as an indication of the apparent "warmth" or "coolness" of the light emitted by a source, and color rendering index (CRI), an indication of the light source's ability to make objects appear natural. Question: What metric indicates a lights ability to make object appear natural?
Output: CRI