Q: 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.
Given Relationship: 'work on', Sentence: 'Andi Gutmans of Zend has posted a new item on his Blogspot blog today concerning one of the announcements that Zend made today in their keynote - the collaboration between Zend and Microsoft to get PHP working even better with Windows .'
A:
working