introducedByAmtrak

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: introducedByAmtrak

Indicates that something (such as a service, policy, feature, or change) was initiated, launched, or brought into use by Amtrak.