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: (CNN) Bana Alabed, a 7-year-old Syrian girl who captured the world's attention with heartbreaking Twitter posts about the bombing of Aleppo, disappeared from social media on Sunday. The last message sent on the Twitter account Bana shares with her mother, Fatemah, was foreboding: "We are sure the army is capturing us now. We will see each other another day dear world. Bye.- Fatemah #Aleppo" Her Twitter account was deleted and nobody knows why. Bana, who had more than 100,000 followers, has tweeted dire messages before, as when she said on November 27: "Tonight we have no house, it's bombed and I got in rubble. I saw deaths and I almost died."Bana Alabed, 7, had tweeted about the horrors of war in Aleppo, SyriaOn Sunday, her Twitter account was deleted without explanation 
 Question:They are now in control of more than 20% of eastern _.

Aleppo