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: Bromsgrove Sandstone Formation | Statement: [Sherwood Sandstone Group, hasSubunits, Bromsgrove Sandstone Formation]

Target entity: Bromsgrove Sandstone Formation
Context triple: [Sherwood Sandstone Group, hasSubunits, Bromsgrove Sandstone Formation]

• A. Minchinbury Sandstone
  Minchinbury Sandstone is a geological rock unit within the Sydney Basin of New South Wales, Australia, known for its fine- to medium-grained sedimentary sandstone deposits.
• B. Sherwood Sandstone Group
  The Sherwood Sandstone Group is a major Triassic sandstone rock sequence in the UK, notable as an important aquifer and hydrocarbon reservoir across several sedimentary basins.
• C. Mercia Mudstone Group
  The Mercia Mudstone Group is a thick sequence of predominantly red mudstones and siltstones of Triassic age widely distributed across parts of the UK, forming an important component of its subsurface geology.
• D. Wessex Formation
  The Wessex Formation is an Early Cretaceous geological formation in southern England renowned for its rich assemblage of dinosaur fossils, including numerous ornithopods and theropods.
• E. Millstone Grit
  Millstone Grit is a coarse-grained Carboniferous sandstone formation in northern England, notably forming the rugged moorland landscapes of the Pennines.
• 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: Bromsgrove Sandstone Formation
Triple: [Sherwood Sandstone Group, hasSubunits, Bromsgrove Sandstone Formation]

The Bromsgrove Sandstone Formation is a Triassic-age sedimentary rock unit in central England, notable for its red-bed sandstones that record fluvial and marginal-marine environments.

Target entity: Bromsgrove Sandstone Formation
Target entity description: The Bromsgrove Sandstone Formation is a Triassic-age sedimentary rock unit in central England, notable for its red-bed sandstones that record fluvial and marginal-marine environments.

• A. Minchinbury Sandstone
  Minchinbury Sandstone is a geological rock unit within the Sydney Basin of New South Wales, Australia, known for its fine- to medium-grained sedimentary sandstone deposits.
• B. Sherwood Sandstone Group chosen
  The Sherwood Sandstone Group is a major Triassic sandstone rock sequence in the UK, notable as an important aquifer and hydrocarbon reservoir across several sedimentary basins.
• C. Mercia Mudstone Group
  The Mercia Mudstone Group is a thick sequence of predominantly red mudstones and siltstones of Triassic age widely distributed across parts of the UK, forming an important component of its subsurface geology.
• D. Wessex Formation
  The Wessex Formation is an Early Cretaceous geological formation in southern England renowned for its rich assemblage of dinosaur fossils, including numerous ornithopods and theropods.
• E. Millstone Grit
  Millstone Grit is a coarse-grained Carboniferous sandstone formation in northern England, notably forming the rugged moorland landscapes of the Pennines.
• F. None of above.