Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Militants fighting for the Islamic State in Syria and Iraq have issued a new set of rules jihadis must live by - including restrictions on when to utter curses and a ban on women slapping their thighs. A fighter calling himself Abu 'Umar al-Masri, who claims to be based in the terrorists' capital Raqqa, tweeted photographs of flyers containing fatwas imposed on local residents in recent weeks. Providing a unique glimpse in to life under ISIS' brutal and oppressive control, each of the 32 slips of paper - which are headed with the terror group's chilling black and white logo - gives a detailed explanation of various bizarre rules and regulations laid out by ISIS leader Abu Bakr al-Baghdadi.Militants issue new set of rules for citizens of the Islamic State to live byTerrorists make sick attempts to justify burning 'unbelievers' to deathBilliards and table football are permitted but only under strict conditionsWomen are allowed to carry AK-47s but visiting a male doctor is bannedISIS also claims that murdering people purely to harvest their organs is perfectly acceptable under Islamic law 
 Question:Women whose husbands have been killed must be punished if they try to leave _-held territory for the lands of the unbelievers.

ISIS