hasPrincipalAnaphora

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: hasPrincipalAnaphora

Indicates that one element serves as the primary anaphoric reference (main referring expression) for another element within a discourse or text.