Detailed Instructions: 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].
Problem:The grandmother to the young Australian boy who was infamously pictured holding a severed head in Syria, says it was an act his terrorist father Khaled Sharrouf would have encouraged the then nine-year-old to undertake. Karen Nettleton told The Australian of her fears about the psychological effects the incident may have had on her grandson Abdullah as he is known to be a 'clean freak' who was fond of clean clothes. The chilling photo was posted online by Sharrouf in August last year with the caption 'that's my boy'. It showed his son using both hands to hoist a decapitated head up in the northern Syrian city of Raqqa.Karen Nettleton believes terrorist Khaled Sharrouf encouraged her grandson to hold a severed head in SyriaThe grandmother to the young boy, Abdullah, says her grandson is known to be a 'clean freak'She has told of her reaction when she first saw the chilling image of her grandson last yearIt shows the then nine-year-old using both hands to hoist a decapitated head upThe mother-in-law of Sharrouf has begged the prime minister to help bring her grandchildren home 
 Question:Elomar and _ were two of the most wanted Australian men fighting with the extremist group.
Solution:
Khaled Sharrouf