hasLegendaryPokémon

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: hasLegendaryPokémon

Indicates that an entity (such as a location, trainer, or group) possesses, contains, or is associated with at least one Legendary Pokémon.