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: PDP-9 | Statement: [PDP-7, successor, PDP-9]

Target entity: PDP-9
Context triple: [PDP-7, successor, PDP-9]

• A. PDP-7
  The PDP-7 was a 1960s DEC minicomputer whose relatively low cost and flexible design made it popular in research labs and notable as the machine on which the first version of Unix was developed.
• B. PDP-8
  The PDP-8 is a pioneering 12-bit minicomputer introduced in the 1960s that became widely known for its low cost, compact size, and major role in popularizing minicomputers in industry and education.
• C. PDP-6
  The PDP-6 was a 36-bit mainframe computer developed by Digital Equipment Corporation in the 1960s, notable for its time-sharing capabilities and influence on later PDP-10 systems.
• D. PDP-10
  The PDP-10 was a family of mainframe computers produced by Digital Equipment Corporation in the late 1960s and 1970s, widely used in research and time-sharing systems and influential in the development of early programming languages and operating systems.
• E. PDP-11
  The PDP-11 is a series of 16-bit minicomputers introduced by Digital Equipment Corporation in the 1970s that became highly influential in computer architecture and operating system development.
• 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: PDP-9
Triple: [PDP-7, successor, PDP-9]

The PDP-9 was a 1960s 18-bit minicomputer from Digital Equipment Corporation that introduced advanced features and improved performance over its predecessors in the PDP series.

Target entity: PDP-9
Target entity description: The PDP-9 was a 1960s 18-bit minicomputer from Digital Equipment Corporation that introduced advanced features and improved performance over its predecessors in the PDP series.

• A. PDP-7
  The PDP-7 was a 1960s DEC minicomputer whose relatively low cost and flexible design made it popular in research labs and notable as the machine on which the first version of Unix was developed.
• B. PDP-8
  The PDP-8 is a pioneering 12-bit minicomputer introduced in the 1960s that became widely known for its low cost, compact size, and major role in popularizing minicomputers in industry and education.
• C. PDP-6
  The PDP-6 was a 36-bit mainframe computer developed by Digital Equipment Corporation in the 1960s, notable for its time-sharing capabilities and influence on later PDP-10 systems.
• D. PDP-10
  The PDP-10 was a family of mainframe computers produced by Digital Equipment Corporation in the late 1960s and 1970s, widely used in research and time-sharing systems and influential in the development of early programming languages and operating systems.
• E. PDP-11
  The PDP-11 is a series of 16-bit minicomputers introduced by Digital Equipment Corporation in the 1970s that became highly influential in computer architecture and operating system development.
• F. None of above. chosen