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: Franciscan Complex rocks | Statement: [Santa Cruz Mountains, geology, Franciscan Complex rocks]

Target entity: Franciscan Complex rocks
Context triple: [Santa Cruz Mountains, geology, Franciscan Complex rocks]

• A. Kaibab Limestone
  Kaibab Limestone is a prominent Permian-age sedimentary rock layer that forms the resistant caprock of the Grand Canyon and many other cliffs and plateaus across the Colorado Plateau.
• B. Coast Plutonic Complex
  The Coast Plutonic Complex is a vast belt of granitic and related intrusive rocks forming the core of the Coast Mountains along the Pacific margin of western North America.
• C. Moine Supergroup
  The Moine Supergroup is a sequence of Neoproterozoic metamorphic rocks in the Scottish Highlands, notable for recording early tectonic events prior to the Caledonian orogeny.
• D. Cathedral Rocks
  Cathedral Rocks are a prominent granite rock formation in Yosemite National Park, known for their striking spires that frame the western side of Yosemite Valley.
• E. Peninsular Ranges Batholith
  The Peninsular Ranges Batholith is a vast Mesozoic granitic intrusive complex underlying much of the Peninsular Ranges of Southern California and northern Baja California, formed during subduction-related magmatism along the western margin of North America.
• 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: Franciscan Complex rocks
Triple: [Santa Cruz Mountains, geology, Franciscan Complex rocks]

Franciscan Complex rocks are a chaotic assemblage of metamorphosed oceanic crust, sediments, and volcanic rocks formed in an ancient subduction zone along the western margin of North America.

Target entity: Franciscan Complex rocks
Target entity description: Franciscan Complex rocks are a chaotic assemblage of metamorphosed oceanic crust, sediments, and volcanic rocks formed in an ancient subduction zone along the western margin of North America.

• A. Kaibab Limestone
  Kaibab Limestone is a prominent Permian-age sedimentary rock layer that forms the resistant caprock of the Grand Canyon and many other cliffs and plateaus across the Colorado Plateau.
• B. Coast Plutonic Complex
  The Coast Plutonic Complex is a vast belt of granitic and related intrusive rocks forming the core of the Coast Mountains along the Pacific margin of western North America.
• C. Moine Supergroup
  The Moine Supergroup is a sequence of Neoproterozoic metamorphic rocks in the Scottish Highlands, notable for recording early tectonic events prior to the Caledonian orogeny.
• D. Cathedral Rocks
  Cathedral Rocks are a prominent granite rock formation in Yosemite National Park, known for their striking spires that frame the western side of Yosemite Valley.
• E. Peninsular Ranges Batholith
  The Peninsular Ranges Batholith is a vast Mesozoic granitic intrusive complex underlying much of the Peninsular Ranges of Southern California and northern Baja California, formed during subduction-related magmatism along the western margin of North America.
• F. None of above. chosen