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.

Q: Sentence: 'William Friedrich Carl Nindemann was born 22 April 1850 , on the island of Rugen , Germany .', Argument/Subject 1: 'william', Argument/Subject 2: 'april'

A: be bear in
****
Q: Sentence: 'In 1932 Phuket became a separate province of Thailand , and has remained such until present day .', Argument/Subject 1: 'phuket', Argument/Subject 2: 'thailand'

A: be province in
****
Q: Sentence: 'Not until Hitler invaded Poland in 1939 did France and Great Britain finally declare war on Germany , but their efforts barely slowed the German advance .', Argument/Subject 1: 'great britain', Argument/Subject 2: 'germany'

A:
declare war on
****