hasHeadhouse

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: hasHeadhouse

Indicates that one structure (typically a station or facility) includes or is associated with a headhouse building that serves as its main entrance or service area.