You will be given a definition of a task first, then some input of the task.
Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

Relationship: 'be officer of', Argument/Subject 1: 'george vancouver', Argument/Subject 2: 'royal navy'
Output:
Captain George Vancouver RN was an officer of the Royal Navy , best known for his exploration of North America , including the ...