Detailed Instructions: This task is about creating an unanswerable question based on a given passage. Construct a question that looks relevant to the given context but is unanswerable. Following are a few suggestions about how to create unanswerable questions:
(i) create questions which require satisfying a constraint that is not mentioned in the passage
(ii) create questions which require information beyond what is provided in the passage in order to answer
(iii) replace an existing entity, number, date mentioned in the passage with other entity, number, date and use it in the question
(iv) create a question which is answerable from the passage and then replace one or two words by their antonyms or insert/remove negation words to make it unanswerable.
Q: Passage: To better illustrate this idea, Bassett focuses his analysis of the role of nineteenth-century maps during the "scramble for Africa". He states that maps "contributed to empire by promoting, assisting, and legitimizing the extension of French and British power into West Africa". During his analysis of nineteenth-century cartographic techniques, he highlights the use of blank space to denote unknown or unexplored territory. This provided incentives for imperial and colonial powers to obtain "information to fill in blank spaces on contemporary maps".
A:
bassett doesn't focus on what to illustrate his idea?