<prompt>  The contact area on the distal side of a maxillary first premolar is located:Middle of the middle third with buccal embrasure wider than lingualMiddle of the middle third with lingual embrasure wider than buccalLitter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasureCervical third with buccal embrasure wider than lingual embrasure 