majorCityOnPlain

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: majorCityOnPlain

Indicates that a major city is located on a plain, i.e., in a large, relatively flat lowland area.