Definition: In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: How old was the artist when MNEK worked with her in 2014 on the Rebel Heart album? Passage:In January 2014, he featured on Gorgon City's single "Ready for Your Love". The song peaked to number 4 on the UK Singles Chart. On 20 April 2014, he premiered "Every Little Word" on 1Xtra, the "buzz" single from his debut studio album. On 9 May 2014, the remix EP, featuring Joe Goddard and Fred V & Grafix among others was released. Emenike has said we can expect to hear collaborations with Moko, Snakehips and Jimmy Napes on the record. The lead single "Wrote a Song About You" premiered on Annie Mac's BBC Radio 1 show on 13 June 2014. In June 2014, Oliver Heldens' track "Gecko (Overdrive)", which MNEK wrote, debuted at number one on both the UK Dance Chart and the UK Singles Chart. In 2014, he also worked with Madonna on her album, Rebel Heart, and produced the song "Feels So Good" by Kylie Minogue, from her album Kiss Me Once. On 22 July 2014, MNEK released the promotional single "In Your Clouds" as part of an iTunes Ones to Watch campaign. The song will feature on his debut studio album. His debut extended play (EP) Small Talk was released on 20 March 2015. In March 2015, JoJo announced that she worked with MNEK on her new studio album.


b