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: ley de libertad de vientres | Statement: [Asamblea del Año XIII, passes, ley de libertad de vientres]

Target entity: ley de libertad de vientres
Context triple: [Asamblea del Año XIII, passes, ley de libertad de vientres]

• A. Lei do Ventre Livre
  Lei do Ventre Livre was an 1871 Brazilian law that declared children born to enslaved women free, marking a key step toward the abolition of slavery in Brazil.
• B. Battle for Births
  Battle for Births was a Fascist Italian population campaign under Mussolini aimed at dramatically increasing the birth rate to strengthen the nation’s military and imperial power.
• C. Freedom's Law
  Freedom's Law is a philosophical and legal work by Ronald Dworkin that defends a rights-based interpretation of the U.S. Constitution and argues for the centrality of moral principles in constitutional adjudication.
• D. Lei do Ventre Livre of 1871
  The Lei do Ventre Livre of 1871 was a Brazilian law that marked a key step toward the abolition of slavery by declaring that children born to enslaved women would be legally free.
• E. Free to Decide
  "Free to Decide" is a 1996 alternative rock song by Irish band The Cranberries, known for its emotive vocals and themes of personal autonomy.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

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: ley de libertad de vientres
Triple: [Asamblea del Año XIII, passes, ley de libertad de vientres]

La ley de libertad de vientres fue una norma aprobada en el Río de la Plata que declaró libres a los hijos de mujeres esclavizadas, marcando un paso clave hacia la abolición de la esclavitud en la región.

Target entity: ley de libertad de vientres
Target entity description: La ley de libertad de vientres fue una norma aprobada en el Río de la Plata que declaró libres a los hijos de mujeres esclavizadas, marcando un paso clave hacia la abolición de la esclavitud en la región.

• A. Lei do Ventre Livre
  Lei do Ventre Livre was an 1871 Brazilian law that declared children born to enslaved women free, marking a key step toward the abolition of slavery in Brazil.
• B. Battle for Births
  Battle for Births was a Fascist Italian population campaign under Mussolini aimed at dramatically increasing the birth rate to strengthen the nation’s military and imperial power.
• C. Freedom's Law
  Freedom's Law is a philosophical and legal work by Ronald Dworkin that defends a rights-based interpretation of the U.S. Constitution and argues for the centrality of moral principles in constitutional adjudication.
• D. Lei do Ventre Livre of 1871
  The Lei do Ventre Livre of 1871 was a Brazilian law that marked a key step toward the abolition of slavery by declaring that children born to enslaved women would be legally free.
• E. Free to Decide
  "Free to Decide" is a 1996 alternative rock song by Irish band The Cranberries, known for its emotive vocals and themes of personal autonomy.
• F. None of above. chosen