In Angle's classification, a Class II, division 1 malocclusion may describe a combination of skeletal problems, such as
1. maxillary protrusion, normal mandibular position.
2. normal maxillary position, mandibular retrusion.
3. maxillary protrusion, mandibular retrusion.
4. bimaxillary protrusion, with the maxilla more protrusive than the mandible.

(4) only

(2) and (4)

(1) and (3)

(1) (2) (3)

All of the above.