"Teachers 'R Us" is a registered trademark and a registered domain name ("teachersrus.com"). This website provides general information about a number of subjects and is primarily targeted to middle school-age children. The teachers from the local middle school decide to design and maintain their own website. Their website will provide information specific to their school as well as general tips on homework, class assignments, and similar items. The domain name that they have chosen is "mteachersrus.com." If the owner of the Teachers 'R Us domain name would like to prevent this competitor from operating, what would be best cause of action for the owner to pursue? What would be the probable outcome of this lawsuit?