adjacentStationOnLine9

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: adjacentStationOnLine9

Indicates that one station is directly next to another station along the route of Line 9, with no other stations in between on that line.