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: For many people with primary school children, their weekends are filled with football and cooking, laughter and games. However, for some families, time away from school is filled with violence and the constant dread of being attacked - by their own children. While incidents of domestic abuse against women by their partners is well known, violence against mothers by their children is still a relatively taboo subject. Scroll down for video Tracy stands by one of the damaged walls attacked by Robert during a temper tantrum Ten-year-old Robert kicks his mother Tracy at their home in Preston, Lancashire One woman, Tracy, lives in perpetual fear of her ten-year-old son Robert and his vicious onslaughts which range from kicks to punches.Mum Tracy has called police to save her from being attacked by schoolboyChased from the house by Robert who was brandishing two bread knivesRegularly has items thrown at her including skirting boards and booksFamily appearing on Channel 5's show My Violent Child 
 Question:'He can be evil at times and chased _ out of the house with two bread knives and we had to call the police.

Tracy