Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

Relationship: 'sign treaty of', Argument/Subject 1: 'maorus', Argument/Subject 2: 'waitangus'
It invokes the signing of the Treaty of Waitangi and the consequent interwoven development of Maori and Pakeha history in New Zealand .

Relationship: 'be celebrate in', Argument/Subject 1: 'black history month', Argument/Subject 2: 'february'
February is Black History Month , celebrating African American Heritage .

Relationship: 'be president of', Argument/Subject 1: 'shimon pere', Argument/Subject 2: 'israel'

Shimon Peres the president of Israel has done it again !