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: The two young girls who stabbed one of their classmates and left her for dead are now facing 65 years in prison. A judge has ruled that Anissa Weier, 13, and her friend Morgan Geyser, 12, of Waukesha, Wisconsin, will be tried as adults as they stand trial for their attack on Peyton Leutner, 12, who nearly died. Both girls have been charged with attempted first-degree intentional homicide. Now, defense attorneys for the girls have scheduled hearings in hopes of moving their cases back to juvenile court. Scroll down for video Morgan Geyser (left) and Anissa Weier (right) will be tried as adults for stabbing a classmateAnissa Weier and her friend Morgan Geyser will stand trial as adults for stabbing a fellow classmate and are facing 65 years in prisonThis as police interrogation video recently released showed Anissa, then 12, and Morgan, 12, explaining why they stabbed a friend 19 timesThe girls, from Waukesha, Wisconsin, attacked Peyton Lautner to appease the Slender Man, planning out their actions on the school busPeyton survived the attack, and the girls were picked up a few hours later walking along a highway off-rampIn the video, Morgan said she saw Slender Man in her dreams, while Anissa said she saw him when Morgan stabbed AnissaBoth girls face a count of being a party to attempted first-degree intentional homicide 
 Question:As for _, Morgan described him as a man with 'tendrils that are very sharp.'

Slender Man