MBEDate

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: MBEDate

Indicates a date associated with a marriage-based event or status between entities (such as the date a marriage-based eligibility or condition begins, is recorded, or becomes effective).