Definition: 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.
Input: Question: How old was Ismail Darbar when Mehboob met him? Passage:In 1986, Mehboob met music composer Ismail Darbar who used to play the violin in film orchestras in those days. And it was Darbar who taught him the difference between poetry and film lyrics. Darbar introduced Mehboob to filmmaker Ram Gopal Varma and he began his song writing career with Varma's 1992 film Drohi whose music was composed by R. D. Burman. He then worked with A.R.Rahman on Varma's Rangeela. Rahman liked his work and introduced him to Mani Ratnam and Mehboob penned the lyrics for the Hindi (dubbed) version of Bombay. Mehboob went on to work with Rahman on films such as Thakshak, Doli Saja Ke Rakhna and Dubbed version of Dil Hi Dil Mein. He has also written the lyrics for Rahman's non-film album Maa Tujhe Salaam as well as Ratnam's Yuva.

Output:
b