instruction:
From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.
question:
Given Relationship: 'open on', Sentence: 'Registration is now open for the forthcoming test administrations on January 21 and February 10 , 2007 .'
answer:
open

question:
Given Relationship: 'begin in', Sentence: 'Planning for these accounts generally begins in September or October , so now is the time to start thinking about this payment option .'
answer:
begins

question:
Given Relationship: 'be problem on', Sentence: 'Spam is a major problem on the Internet .'
answer:
problem