Sam and Sarah, husband and wife, both worked for an aluminum siding firm, doing similar work in production. Their co-worker, Ahmed, who was a Muslim, was systematically harassed by their supervisor, who called him a terrorist, denied him the right to pray, and generally made his life at work very difficult. Sarah spoke up on his behalf, and the supervisor demoted Sam, her husband. Which of the following statements is most correct
a. Ahmed has a cause of action against the employer for retaliation, but Sam does not
b. Sarah has a cause of action against the employer for retaliation, but Sam does not
c. Sam has a cause of action against the employer for retaliation
d. There are no causes of action arising from this set of facts