Given the task definition and input, reply with output. 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.

Question: Which Bala directed movie that Ameer served as an assistant had a higher box office? Passage:Ameer Sultan was born in Madurai, Tamil Nadu India. He initially studied economics and worked as an entrepreneur before starting to work as an assistant director to Tamil filmmaker Bala on his award-winning film Sethu in 1999 and Nandha in 2001. Shortly after, he directed his first film, the romantic comedy Mounam Pesiyadhe (2002). The film starred Suriya in the lead and became Trisha Krishnan's first release featuring her in a leading role. The same year, he began his own production company, Teamwork Production House. His second directorial was the mystery thriller Raam, which he produced himself and released A three years later. The film, which revolves around an autistic teenager, portrayed by Jiiva, who is highly attached to his mother, but becomes suspected of having murdered her, received critical acclaim, with Jeeva and the film's composer Yuvan Shankar Raja winning awards at the 2005 Cyprus International Film Festival. It also became Jeeva's breakthrough in the film industry, who till then had appeared in two unsuccessful home productions only. In 2007, he directed the drama Paruthiveeran set in a village in Tamil Nadu, which marked the debut of Karthi, younger son of Sivakumar and brother of Suriya. Critics heaped high praise on the film and Ameer's direction, while Karthi as well as Priyamani, who performed the female lead, won several notable prizes for their performances. Paruthiveeran remains Ameer's most acclaimed work, having received six Filmfare Awards South including the Best Film and Best Director trophies, two National Film Awards, two Tamil Nadu State Film Awards and four Vijay Awards. The film further fetched accolades at international platform, winning the Best Film Award at the Osian's Cinefan Festival of Asian and Arab Cinema and Netpac Special Mention award at the Berlin International Film Festival. He did his fourth directorial, Aadhi Bhagavan, featuring Jayam Ravi and Neetu Chandra in the lead roles, released 2013 for positive reviews. Ameer's next film is Jihad which is his own production. That is a love story.
a