How should these policies be applied?

The policies shown below from the configuration of an Nokia 7750 SR have been created to implement an Extranet VPRN between the main sites of two separate VPRNs.

How should these policies be applied?
A . ample Policy should be applied as an export policy on the PE connected to the main site of Customer 1
B. ample Policy 3 should be applied as an export policy on the PE connected to the main site of Customer 2
C. ample Policy 3 should be applied as an export policy on both PEs connected to the main site of Customer 1 and the main site of Customer 2
D. ample Policy should be applied as an export policy on both PEs connected to the main site of Customer 1 and the main site of Customer 2
E. ample Policy should be applied as an export policy on all PEs connected to sites of Customer 1

Answer: A