Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Black supplementary schools movement | Statement: [How the West Indian Child Is Made Educationally Sub-normal in the British School System, associatedWith, Black supplementary schools movement]

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Black supplementary schools movement
Triple: [How the West Indian Child Is Made Educationally Sub-normal in the British School System, associatedWith, Black supplementary schools movement]

The Black supplementary schools movement was a grassroots initiative in Britain, led largely by African-Caribbean communities from the late 1960s onward, to provide Saturday and after-school education that countered racism in mainstream schools and promoted Black history, culture, and academic achievement.