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: First Gas Attack at Ypres | Statement: [Battle of Gravenstafel Ridge, alsoKnownAs, First Gas Attack at Ypres]

Target entity: First Gas Attack at Ypres
Context triple: [Battle of Gravenstafel Ridge, alsoKnownAs, First Gas Attack at Ypres]

• A. Battle of Arras (1914)
  The Battle of Arras (1914) was a World War I engagement on the Western Front in which French and German forces clashed around the strategic city of Arras during the early stages of the war.
• B. First Battle of Ypres chosen
  The First Battle of Ypres was a major 1914 World War I clash in Belgium in which Allied and German forces fought to a bloody stalemate, marking the end of the war’s mobile phase and the onset of entrenched trench warfare.
• C. Siege of Ypres
  The Siege of Ypres was a 1794 French Revolutionary War operation in which French forces besieged and captured the strategically important fortress city of Ypres in the Austrian Netherlands.
• D. Battle of Arras (1917)
  The Battle of Arras (1917) was a major British-led offensive on the Western Front during World War I, notable for intense trench warfare, significant territorial gains, and heavy casualties.
• E. Battle of Cambrai
  The Battle of Cambrai was a major First World War engagement in 1917 notable for the first large-scale, effective use of tanks by the British Army against German defenses on the Western Front.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.