An 18 year old female patient complains of prominent upper front teeth. Extra-oral examination reveals an acute nasolabial angle and lip strain. Intraoral examination shows a Class II incisor relation with 8 mm overjet and Class I molar relation. Maxillary first premolar extractions have been advised, of which almost all of the premolar space will be required for the retraction of the upper anteriors. According to Burstone’s classification for anchorage requirements, this patient can be categorized into which of the following groups?