I would say that it would be B. (to remind others of a meeting, important date, or policy).
A person who has read "benefits of an arranged marriage" will know that majority of the responsibility for the marriage is taken up by the parents of both the groom and the bride. Also the family on both sides will be more supportive and accepting because they are the ones who made the choice. Reading "Benefits of Love Marriages" they will be presented with a stark comparison. For example, in love marriages, both the groom and the bride takes full responsibility for the marriage. Also, both are expected to perform based on the expectation of their families. There is also a higher risk of conflict or friction in the initial stages concerning acceptance and support for the couple. Therefore, "benefits of love marriages" article presents a harder reality that choosing to be with someone means sticking it out until the end through the roughest of patches and the most violent objections.
