In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.

Example Input: Question: Did the group that Stinson founded have more than three members? Passage:Gregory E. Stinson, better known as G. E. Stinson (born in Kingfisher, Oklahoma), is an American guitarist and founding member of new age/electronic musical group Shadowfax. Inspired by blues masters such as Bo Diddley and Muddy Waters, Stinson experimented with blues, jazz and other musical genres before co-founding Shadowfax in 1974. He remained with the band for six albums. He departed Shadowfax after recording The Odd Get Even (1989), entering the Los Angeles underground music community to refine his 'extended technique' and 'frequency manipulation'. Since then he has worked with a number of musicians on various projects, including Napalm Quartet, Splinter Group, Stinkbug, Metalworkers, Alex De Grassi, Devin Sarno and others. In 2000, he collaborated with drummer Gregg Bendian, violinist Jeff Gauthier, and bassist Steuart Liebig on an album of collective improvisational pieces recorded live in the studio, entitled Bone Structure. Released in 2003, it was given four stars by Jim Andrews in DownBeat magazine.

Example Output: b

Example Input: Question: How many different charts was piece by piece on at the same time in 2016? Passage:"Piece by Piece" made its debut chart appearance on the Billboard Adult Top 40 chart on the chart week ending December 19, 2015. It attained a peak position of number 32 and stayed on the chart for nine weeks. Following Clarkson's performance of the song on American Idol, Nielsen Soundscan announced that digital copies of the song had sold a total of 21,996 copies a few hours prior to the end of the tracking week ending on February 25, 2016, posting a 4777% gain from its previous week and allowing it to debut on the Billboard Digital Songs chart at number 35 and at number 18 on the Billboard Bubbling Under Hot 100 Singles chart in the issue dated the week ending March 12, 2016. The following week, "Piece by Piece" made its debut Billboard Hot 100 chart at number eight, becoming Clarkson's eleventh Hot 100 top ten hit on the chart and tied itself with "Never Again" (2007) as her highest entry position on the chart. It also became her first song to reach the top 10 in since "Stronger (What Doesn't Kill You)" reached number one in 2012. It also ascended to the top position on the Billboard Digital Songs chart and Pop Digital Songs chart with 210,000 digital copies sold and 3.1 million streaming activity, posting an 852% digital surge and 969% streaming gain while also becoming her 100th number-one hit on the Billboard charts. In addition, the song re-entered the Billboard Adult Top 40 chart at number 33 and debuted on the Billboard Adult Contemporary chart at number 23. "Piece by Piece" peaked at number nine on the Adult Pop chart, becoming Clarkson's fifteenth top-10 hit on the chart and set a record for the female artist with the most top-10s on the chart. Internationally, "Piece by Piece" debuted on the Billboard Canadian Hot 100 at number 17, on the Official UK Singles Chart at number 95, with an entry at number 37 on the UK Top Sales Chart, and on the ARIA Singles Chart at number 24. Following a performance of "Piece by Piece" by Rebecca Grace on The X Factor, the song re-entered the Official UK Singles Chart at number 27, attaining a new peak position.

Example Output: b

Example Input: Question: Are both magazines that Hendren appeared on the covers of based in the same country? Passage:A successful fashion model from her twenties, appearing on the front covers of Life and Glamour magazines among others, Hedren became an actress after she was discovered by director Alfred Hitchcock while appearing on a television commercial in 1961. She received world recognition for her work in two of his films, the suspense-thriller The Birds in 1963, for which she won a Golden Globe, and the psychological drama Marnie in 1964. Hedren has appeared in over eighty films and TV shows including Charlie Chaplin's final film, A Countess from Hong Kong (1967), the Alexander Payne political satire Citizen Ruth (1996), and the David O. Russell existential comedy I Heart Huckabees (2004). Her contributions to world cinema have been honored with the Jules Verne Award and a star on the Hollywood Walk of Fame among others.

Example Output:
b