TASK DEFINITION: Compose a new way to ask the same question. The new question must be asking the exact same thing as the original question does. Without any other information, you should be able to tell that the original question and the new question are the same. Preserve bracketed phrases in your new question. You can change the rest of the question provided the above requirements are satisfied. The new question must have a natural, fluent formulation, as if it were composed by a native English speaker. You will be given three pieces of information to help you create better questions. Those are: "Answer": the answer to the question, e.g., "Honolulu". "Answer Type": the type of the answer, e.g., "Location". "Auxiliary Information" is a detailed description of some concepts mentioned in the question, if any.
PROBLEM: original question: What ship class is the [K-141 Kursk]?
answer: oscar-class submarine
answer type: Ship class.
auxiliary information: K-141 Kursk was an Oscar-II class nuclear-powered cruise missile submarine of the Russian Navy, lost with all hands when it sank in the Barents Sea on 12 August 2000. Kursk, full name –ê—Ç–æ–º–Ω–∞—è –ø–æ–¥–≤–æ–¥–Ω–∞—è –ª–æ–¥–∫–∞ ¬´–ö—É—Ä—Å–∫¬ª, which, translated, means the nuclear-powered submarine "Kursk" [–ê–ü–õ "–ö—É—Ä—Å–∫"] in Russian, was a Project 949A –ê–Ω—Ç–µ–π. It was named after the Russian city of Kursk, around which the largest tank battle in history, the Battle of Kursk, took place in 1943. One of the first vessels completed after the end of the Soviet Union, it was commissioned into the Russian Navy's Northern Fleet.

SOLUTION: Which ship class does the [K-141 Kursk] belong to?

PROBLEM: original question: what Political party has Advisors including [Mark Pack]?
answer: liberal democrats
answer type: Political party.

SOLUTION: [Mark Pack] is an advisor in what political party?

PROBLEM: original question: What is the genre of music for [I Changed My Mind] and [BTR]?
answer: contemporary r&b
answer type: Musical genre.
auxiliary information: BTR is the debut studio album by pop boyband Big Time Rush. Released on October 11, 2010, the track listing for the album was announced on September 1, 2010. The album was preceded by the release of several promotional singles, including their self-titled debut single, Big Time Rush. Other promotional songs include "Any Kind of Guy", "City Is Ours", and "Halfway There", which charted on the Billboard Hot 100 singles chart in the US. On September 21, the band released yet another promotional single, titled "Til I Forget About You". It was the last song to precede the album's release of October 11, 2010. "Boyfriend", which features vocals from rapper Snoop Dogg, was the first official single from the album and has become the band's biggest hit to date, charting on the Billboard Hot 100 as well as reaching the Top 40 of the Pop Songs music chart in the US. Despite not being released as a single, the song "Big Night" also charted on the Billboard Hot 100, where it also reached a peak of seventy-nine. In its first week of release, BTR sold 67,000 copies in the US, landing it at the number three position on the Billboard 200 albums chart.I Changed My Mind:;Type: Musical Album. ;

SOLUTION:
Which is the genre of music for [I Changed My Mind] and [BTR]?