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: Leonhard Euler | Statement: [Katharina Gsell, marriedToMathematician, Leonhard Euler]

Target entity: Leonhard Euler
Context triple: [Katharina Gsell, marriedToMathematician, Leonhard Euler]

• A. Leonhard Euler chosen
  Leonhard Euler was an 18th-century Swiss mathematician and physicist who made foundational contributions to calculus, graph theory, topology, and many other areas, becoming one of the most prolific and influential mathematicians in history.
• B. Johann Bernoulli
  Johann Bernoulli was a prominent Swiss mathematician of the late 17th and early 18th centuries, known for his foundational work in calculus and contributions to the calculus of variations and differential equations.
• C. Joseph-Louis Lagrange
  Joseph-Louis Lagrange was an 18th-century mathematician and astronomer renowned for his foundational contributions to analysis, number theory, and classical mechanics, including the formulation of Lagrangian mechanics.
• D. Adrien-Marie Legendre
  Adrien-Marie Legendre was an influential 18th–19th century French mathematician known for major contributions to number theory, analysis, and mathematical statistics.
• E. Jakob Bernoulli
  Jakob Bernoulli was a pioneering Swiss mathematician of the late 17th century, renowned for his foundational work in calculus and probability theory, including the early formulation of the law of large numbers.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: marriedToMathematician
Context triple: [Katharina Gsell, marriedToMathematician, Leonhard Euler]

• A. marriedToNotablePerson
  Indicates that a person is legally married to another individual who is widely recognized or notable.
• B. spouseNotableFor
  Indicates that a person's spouse is recognized or distinguished for a particular achievement, role, or characteristic.
• C. firstWifeOf
  Indicates that one person is the first woman to have been married to another person.
• D. marriedIn
  Indicates that two entities entered into a marital relationship at a specific place or within a particular jurisdiction.
• E. spouseAssociatedWith chosen
  Indicates a marital or spousal relationship or close association between two entities.
• F. None of above.