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: Mercia Mudstone Group | Statement: [Sherwood Sandstone Group, stratigraphicPositionUnderlies, Mercia Mudstone Group]

Target entity: Mercia Mudstone Group
Context triple: [Sherwood Sandstone Group, stratigraphicPositionUnderlies, Mercia Mudstone Group]

• A. Mercia Mudstone Group chosen
  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.
• B. 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.
• C. 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.
• D. Pennine Coal Measures Group
  The Pennine Coal Measures Group is a major Carboniferous rock sequence in northern England, notable for its extensive coal-bearing strata that underpinned the region’s historic coal mining industry.
• E. Purbeck Group
  The Purbeck Group is a geological rock formation in southern England dating from the latest Jurassic to early Cretaceous, known for its limestones, shales, and fossil-rich deposits.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: stratigraphicPositionUnderlies
Context triple: [Sherwood Sandstone Group, stratigraphicPositionUnderlies, Mercia Mudstone Group]

• A. hasStratigraphicPosition
  Indicates the relative position of one geological layer or unit within a stratigraphic sequence in relation to another.
• B. liesBelow chosen
  Indicates that one entity is positioned at a lower vertical level than another entity.
• C. stratigraphicSuperunitOf
  Indicates that one stratigraphic unit is a higher-level or more encompassing unit that contains or groups together another stratigraphic unit within a geological stratigraphic hierarchy.
• D. underlies
  Indicates that one entity serves as a fundamental basis, support, or underlying cause for another entity, condition, or phenomenon.
• E. existsBelow
  Indicates that at least one instance of an entity is located or occurs at a lower level or position relative to another entity.
• F. None of above.