situatedUpstreamOf

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: situatedUpstreamOf

Indicates that one entity is located in the direction from which a flow (such as water, traffic, or a process stream) originates relative to another entity along the same path or system.