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: Prosecutors are considering taking action over footage which shows a hunt follower's horse 'mowing down a anti-hunt protestor', in an incident which left the alleged victim with seven broken ribs. Nid Warren was trampled by the galloping horse while she attended the Blackmore and Sparkford Vale meet in Somerset last August. The 43-year-old suffered a collapsed lung and shattered ribs and was left unconscious on the ground following the dramatic incident. Scroll down for video Prosecutors are considering taking action over footage which shows a hunt follower's horse 'mowing down a anti-hunt protestor' (pictured) , in an incident which left the alleged victim with seven broken ribsNid Warren, 43, left with punctured lung after incident at Somerset huntHunt member Mark Doggrell allegedly fled scene but went to police laterHe was charged with GBH but CPS said there was 'insufficient evidence'Ms Warren was devastated and a 12,000-strong petition was launchedCPS reviewing footage under Victims' Right to Review Scheme - hunt insists rider is innocent 
 Question:'_ is innocent, as found by the Crown Prosecution Service.'

Mark Doggrell