On pelvic examination of a patient in labor at 34 weeks, the patient is noted to be 6 cm dilated, completely effaced with the fetal nose and mouth palpable. The chin is pointing toward the maternal left hip. This is an example of which of the following?
A. Transverse lie
B. Mentum transverse position
C. Occiput transverse position
D. Brow presentation
E. Vertex presentation