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: Kerr effect | Statement: [John Kerr, knownFor, Kerr effect]

Target entity: Kerr effect
Context triple: [John Kerr, knownFor, Kerr effect]

• A. Kapitza–Dirac effect
  The Kapitza–Dirac effect is a quantum phenomenon in which a beam of particles, such as electrons or atoms, is diffracted by a standing wave of light, demonstrating the wave-particle duality of matter.
• B. Faraday effect
  The Faraday effect is a magneto-optical phenomenon in which the polarization plane of light is rotated as it passes through a material under the influence of a magnetic field aligned with the direction of propagation.
• C. Cotton–Mouton effect
  The Cotton–Mouton effect is a magneto-optical phenomenon in which a transverse magnetic field induces birefringence in an otherwise isotropic medium, causing the polarization of transmitted light to change.
• D. Purcell effect
  The Purcell effect is a quantum electrodynamics phenomenon in which the spontaneous emission rate of an emitter is enhanced or suppressed by its surrounding electromagnetic environment, such as a resonant cavity.
• E. Talbot effect
  The Talbot effect is a near-field optical phenomenon in which a periodic structure illuminated by coherent light produces self-images at regular intervals along the propagation direction.
• 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: Kerr effect
Triple: [John Kerr, knownFor, Kerr effect]

The Kerr effect is an optical phenomenon in which the refractive index of a material changes in response to an applied electric field, leading to field-induced birefringence.

Target entity: Kerr effect
Target entity description: The Kerr effect is an optical phenomenon in which the refractive index of a material changes in response to an applied electric field, leading to field-induced birefringence.

• A. Kapitza–Dirac effect
  The Kapitza–Dirac effect is a quantum phenomenon in which a beam of particles, such as electrons or atoms, is diffracted by a standing wave of light, demonstrating the wave-particle duality of matter.
• B. Faraday effect
  The Faraday effect is a magneto-optical phenomenon in which the polarization plane of light is rotated as it passes through a material under the influence of a magnetic field aligned with the direction of propagation.
• C. Cotton–Mouton effect
  The Cotton–Mouton effect is a magneto-optical phenomenon in which a transverse magnetic field induces birefringence in an otherwise isotropic medium, causing the polarization of transmitted light to change.
• D. Purcell effect
  The Purcell effect is a quantum electrodynamics phenomenon in which the spontaneous emission rate of an emitter is enhanced or suppressed by its surrounding electromagnetic environment, such as a resonant cavity.
• E. Talbot effect
  The Talbot effect is a near-field optical phenomenon in which a periodic structure illuminated by coherent light produces self-images at regular intervals along the propagation direction.
• F. None of above. chosen