isMajorRivalryFor

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: isMajorRivalryFor

Indicates that one entity is a primary or highly significant competitor or adversary to another, often characterized by ongoing, notable, or intense rivalry.