TASK DEFINITION: Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.
PROBLEM: Sentence: 'Plotinus Egyptian-born founder of Neoplatonism , who synthesized the ideas of Plato and other Greek philosophers .', Argument/Subject 1: 'plotinus', Argument/Subject 2: 'neoplatonism'

SOLUTION: be founder of

PROBLEM: Sentence: 'Christchurch , also known as The Garden City  is located on the east coast of the South Island of New Zealand .', Argument/Subject 1: 'christchurch', Argument/Subject 2: 'garden city'

SOLUTION: be know as

PROBLEM: Sentence: 'Bill proudly served his country from 1953-57 in the U.S. Navy .', Argument/Subject 1: 'bill', Argument/Subject 2: 'us navy'

SOLUTION:
serve in