Instructions: In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.
Input: Question: When was the magazine that hosted the chart on which the song "Little Bit of Everything" reached number one firs published? Passage:The album's lead single "Little Bit of Everything", written by Brad and Brett Warren (both of The Warren Brothers) along with Kevin Rudolf, was released on 14 May 2013. This song reached number one on the US Billboard Country Airplay chart in September 2013, as did "We Were Us", which was released as the album's second international single. in September 2013. "Shame" was released as the second single in Australia and New Zealand only in August 2013. The third international single, "Cop Car" was released in January 2014. The fourth international single, "Somewhere in My Car", was released on 23 June 2014. That song also reached number one on the Country Airplay chart late that year. The fifth international single, "Raise 'Em Up" is duet with Eric Church. it was released on 26 January 2015, and became the fourth (of the five North American releases) to top the Country Airplay chart in May 2015.
Links: a. Billboard (magazine) b. Somewhere in My Car c. Cop Car (Keith Urban song) d. Kevin Rudolf
Output:
a