In this task, we ask you to write a question that asks about "event duration", based on a given sentence. The question will likely start with "How long". Your question should be answerable based on the common knowledge of how long certain events usually last. Don't create questions which have explicit mentions of answers in the text. Instead, it has to be implied from what is given. In other words, we want you to use "instinct" or "common sense". Note that the written questions are not required to have a single correct answer.

[EX Q]: Sentence: President Clinton told us that when he pulled Musharraf aside for a brief, one-on-one meeting, he pleaded with the general for help regarding  Bin Laden.".
[EX A]: How long did the meeting last?

[EX Q]: Sentence: The origin of the funds remains unknown, although we have a general idea of how al Qaeda financed itself during the period leading up to 9/11.
[EX A]: For how long was al Qaeda financing itself?

[EX Q]: Sentence: The Portuguese Crown, delighted with its first important discovery, immediately embarked on a program of colonization.
[EX A]:
How long did it take the Portuguese to colonize the new territory?

