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: Urbach rule | Statement: [Urbach tail, hasAlternativeName, Urbach rule]

Target entity: Urbach rule
Context triple: [Urbach tail, hasAlternativeName, Urbach rule]

• A. Urbach tail chosen
  The Urbach tail is an exponential absorption edge observed in the optical spectra of disordered or amorphous semiconductors, reflecting localized states and disorder in the material’s band structure.
• B. Sievers' law
  Sievers' law is a historical phonological rule in Indo-European linguistics that explains the alternation between consonantal and vocalic forms of certain sounds (notably *y and *w) depending on the weight of the preceding syllable.
• C. Shockley–Queisser limit
  The Shockley–Queisser limit is a theoretical maximum efficiency for single-junction solar cells, defining the upper bound on how much sunlight can be converted into electricity under standard conditions.
• D. Stokes shift
  Stokes shift is a phenomenon in spectroscopy where the wavelength of emitted light is longer (lower energy) than that of the absorbed light, commonly observed in fluorescence and phosphorescence.
• E. Kramers opacity law
  Kramers opacity law is a fundamental relation in astrophysics that describes how the opacity of stellar material depends on its density and temperature, crucial for modeling energy transport inside stars.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.