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: Who settled the island off the coast of West Africa? Passage:The islands of Africa can be subdivided into Indian Ocean Islands and Atlantic Ocean Islands. The largest number of islands of Africa are found in the Indian Ocean, with the sovereign island nations of Comoros, Seychelles, Mauritius and Madagascar located off the southeastern seaboard of Africa being the most notable. The French overseas territories of Mayotte and Réunion are also located nearby. The medium-sized islands of Zanzibar and Lamu of Tanzania and Kenya, respectively, are also located in the Indian Ocean, in addition to smaller islands off the coasts of other continental countries. In the Atlantic seaboard, the largest islands are Cape Verde off the coast of West Africa and Sao Tome and Principe off the southwestern seaboard. In the Atlantic Ocean, the island of Malabo and other smaller islands of Equatorial Guinea are also notable. The Canary Islands and other territories of Spain are present in the Mediterranean Sea in the north Atlantic Ocean, and the British possessions of Saint Helena, Ascension Island, and Tristan da Cunha are located off the southwestern seaboard of the continent.


b