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.

Q: Given Relationship: 'run on', Sentence: 'The Xen Dom0 is running Linux CentOS 5.2 on Intel Xeon CPUs with VT extensions .'

A: running
****
Q: Given Relationship: 'open on', Sentence: 'Registration for Cybernet Expo will open in February .'

A: open
****
Q: Given Relationship: 'say in', Sentence: 'In a May 4 letter to the House Armed Services Committee , Defense Secretary Donald H. Rumsfeld said that approximately 20,000 private security workers are employed in Iraq .'

A:
said
****