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: Directory System Agent | Statement: [X.500, definesConcept, Directory System Agent]

Target entity: Directory System Agent
Context triple: [X.500, definesConcept, Directory System Agent]

• A. System Agent
  System Agent was a background scheduling and automation utility included with Microsoft Plus! for Windows 95 that allowed users to run maintenance tasks and programs at specified times.
• B. Active Directory Administrative Center
  Active Directory Administrative Center is a modern, GUI-based management console for administering and managing Active Directory environments, including users, groups, and other directory objects.
• C. Administration Server
  Administration Server is the central management and configuration control point for an Oracle WebLogic Server domain.
• D. Active Directory
  Active Directory is Microsoft's centralized directory and identity management service used to authenticate and authorize users, computers, and resources in Windows-based networks.
• E. Active Directory Sites and Services
  Active Directory Sites and Services is a Microsoft Management Console snap-in used to configure and manage the replication topology, sites, and services within an Active Directory environment.
• 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: Directory System Agent
Triple: [X.500, definesConcept, Directory System Agent]

The Directory System Agent is a core component in X.500 directory services responsible for managing and providing access to directory information on behalf of clients and other directory servers.

Target entity: Directory System Agent
Target entity description: The Directory System Agent is a core component in X.500 directory services responsible for managing and providing access to directory information on behalf of clients and other directory servers.

• A. System Agent
  System Agent was a background scheduling and automation utility included with Microsoft Plus! for Windows 95 that allowed users to run maintenance tasks and programs at specified times.
• B. Active Directory Administrative Center
  Active Directory Administrative Center is a modern, GUI-based management console for administering and managing Active Directory environments, including users, groups, and other directory objects.
• C. Administration Server
  Administration Server is the central management and configuration control point for an Oracle WebLogic Server domain.
• D. Active Directory
  Active Directory is Microsoft's centralized directory and identity management service used to authenticate and authorize users, computers, and resources in Windows-based networks.
• E. Active Directory Sites and Services
  Active Directory Sites and Services is a Microsoft Management Console snap-in used to configure and manage the replication topology, sites, and services within an Active Directory environment.
• F. None of above. chosen