hasCopyleft

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: hasCopyleft

Indicates that a work, license, or component is subject to copyleft terms requiring derivative or combined works to be distributed under the same or compatible license conditions.