The user wants to look up his group member David Mauchlen's contact information. He logs into Sakai to see the student roster.
Since M is "somewhere in the middle", the user mouses-over page 4.
Seeing the names in page 4 are still before M, he mouses-over page 5.
Since the name "Mauchlen" is in between the two names shown, the user clicks on page 5.