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 many years after the Constitution was created did Rawlings end his terms as president? Passage:Rawlings initially came to power in Ghana as a flight lieutenant of the Ghana Air Force following a coup d'état in 1979 and, after initially handing power over to a civilian government, took back control of the country on 31 December 1981 as the Chairman of the Provisional National Defence Council. In 1992, Rawlings resigned from the military, founded the National Democratic Congress, and became the first President of the Fourth Republic. He was re-elected in 1996 for four more years. After two terms in office, the limit according to the Ghanaian Constitution, Rawlings endorsed his vice-president John Atta Mills as presidential candidate in 2000. He currently serves as the African Union envoy to Somalia.


b