Primary and secondary inspection processes will vary based on the different Ports of Entry $($POEs$)$ because of geographical and logistical realities. In some POES, the primary and secondary inspections will occur at the same time, while in other POEs primary and secondary inspections will occur in different locations and at different times.

From the information given above, it can be validly concluded that

A$)$ if it is true that some POEs conduct primary and secondary inspections at the same time, then it must also be true that some POEs do not conduct primary and secondary inspections separately

B$)$ if it is true that some POFs do not conduct primary and secondary inspections at the same time, then it must also be true that some entities other than POES conduct primary and secondary inspections at the same time

C$)$ if it is true that some POEs conduct primary and secondary inspections at the same time, then it must also be true that some entities other than POEs do not conduct primary and secondary inspections at the same time

D$)$ if it is true that some POEs do not conduct primary and secondary inspections at the same time, thentit must also be true that primary and secondary inspections are never jointly conducted at POES

E$)$ if it is true that some POEs conduct primary and secondary inspections at the same time, then it must also be true that all primary and secondary inspections are jointly conducted at POEs