b. The group has filed a complaint claiming that its members have been discriminated against
Explanation:
A plaintiff can be regarded as the party that initiates a lawsuit before a court.the other party that is been sued is known as the defendant. By initiating a lawsuit, the plaintiff is seeking legal remedy. If the search comes out as successful one, there would be judgment by the court in favor of the plaintiff, and appropriate court order will be made. For instance, in a case, a group of people are the plaintiffs in a court case involving discrimination, then The group must have has filed a complaint claiming that its members have been discriminated against
