During a cardiovascular examination, a nurse in a provider's office places the diaphragm of the stethoscope on the left midclavicular line at the fifth intercostal space. Which of the following is the nurse attempting to auscultate?
Select all that apply.

A. Ventricular gallop
B. Closure of the mitral valve
C. Closure of the pulmonary valve
D. Closure of the tricupid valve
E. Murmur