Q: 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. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.
The militant Unite union was facing embarrassment last night over claims it ‘sacked’ an activist for complaining about being hired on a zero-hours contract. Former lecturer Martyn Reuby won the first round in his legal battle against Unite, after a tribunal ruled that he had been employed to teach its courses. The employment tribunal ruling is a major embarrassment to the union, which has led the campaign against the use of zero-hours contracts, which it says amount to ‘exploitation’. Ed Miliband was left embarrassed today after Labour's biggest backer was accused of employing workers on zero-hours contracts It is also a blow to Ed Miliband, who has received more than £13million from Unite since becoming leader in 2010.Unite accused of employing workers on contracts 'effectively zero hours'Union, which has given millions to Labour, lost a key employment tribunalLecturer Martyn Reuby says he was sacked after complaining about issueComes after Labour was accused of hypocrisy over zero-hours contracts 
 Questions:Unite, which is appealing the judgment, claimed it did not employ Mr _, who had a series of short-term contracts from colleges, which did not guarantee any minimum hours. (A) Unite (B) Martyn Reuby (C) Ed Miliband (D) Labour (E) Union
A:
(B)