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: Ottoman forces | Statement: [Battle of Varna, combatantSide, Ottoman forces]

Target entity: Ottoman forces
Context triple: [Battle of Varna, combatantSide, Ottoman forces]

• A. Ottoman Army
  The Ottoman Army was the land warfare force of the Ottoman Empire, which played a central role in its military campaigns and conflicts from the late Middle Ages through World War I.
• B. Mamluk forces
  Mamluk forces were the military units of the Mamluk Sultanate, composed largely of slave-soldier elites who defended and ruled parts of Egypt and the Levant and famously resisted powers such as the Mongols and European crusaders.
• C. Armed forces of the Ottoman Empire chosen
  The Armed forces of the Ottoman Empire were the military institutions of the Ottoman state, encompassing its land, naval, and later air forces that played a central role in its expansion and defense over several centuries.
• D. Janissaries
  The Janissaries were an elite infantry corps of the Ottoman Empire, originally composed of enslaved Christian youths, that became one of the most powerful military and political institutions in the empire.
• E. Ottoman sipahi cavalry
  The Ottoman sipahi cavalry were elite feudal horsemen of the Ottoman Empire, serving as its main provincial military and landholding class for centuries.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.