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: A woman has been jailed for using her stiletto heel to inflict permanent injuries on a stranger during an unprovoked attack in a nightclub toilet. Shannon Carter, 21, repeatedly struck 20-year-old Amelia Gledhill with the shoe after a row broke out between their friends on a night out in Bradford. Ms Gledhill is said to have been left traumatised by the incident and is still having problems with her eyesight. Shannon Carter, 21 (pictured) has been jailed for three-and-a-half years for attacking Amelia Gledhill, 20, (pictured right) with a stiletto during a night out. Ms Gledhill still has a scar above her right eyeShannon Carter, 21, repeatedly hit Amelia Gledhill, 20, in a Bradford clubMs Gledhill left with blurred vision, wounds, bruises and scars, court heardCarter jailed for three-and-a-half years after pleading guilty to wounding 
 Question:There had been an earlier confrontation between one of _'s friends and a friend of the victim.

Shannon Carter