You will be given a definition of a task first, then some input of the task.
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.

Passage: The Masonic Lodge is the basic organisational unit of Freemasonry. The Lodge meets regularly to conduct the usual formal business of any small organisation (pay bills, organise social and charitable events, elect new members, etc.). In addition to business, the meeting may perform a ceremony to confer a Masonic degree or receive a lecture, which is usually on some aspect of Masonic history or ritual. At the conclusion of the meeting, the Lodge might adjourn for a formal dinner, or festive board, sometimes involving toasting and song.
Output:
What is the complex organizational unit of Freemasonry?