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.

Input: Consider Input: Sentence: '1941 - World War II : Hungary and Romania declare war on the United States .', Argument/Subject 1: 'war', Argument/Subject 2: 'unite state'

Output: be declare on


Input: Consider Input: Sentence: 'Pro-I people have many reasons why they do not believe Taiwan is part of China .', Argument/Subject 1: 'taiwan', Argument/Subject 2: 'china'

Output: be part of


Input: Consider Input: Sentence: 'I could not have been in a better place to witness Barack Obama elected president of the United States .', Argument/Subject 1: 'obama', Argument/Subject 2: 'unite state'


Output: be president of