Task: songer_circuit

What follows is an opinion from a United States Court of Appeals. Your task is to identify the circuit of the court that decided the case.

PER CURIAM.
The court being of the opinion that inspection by the Post Office Department of an unsealed package not having upon it stamps sufficient to qualify it as first class mail was not an invasion of appellant’s immunity from unreasonable search and seizure, and, finding no prejudicial error in the trial, it is ordered that the judgment below be, and it is hereby, affirmed.

Question: What is the circuit of the court that decided the case?
A. First Circuit
B. Second Circuit
C. Third Circuit
D. Fourth Circuit
E. Fifth Circuit
F. Sixth Circuit
G. Seventh Circuit
H. Eighth Circuit
I. Ninth Circuit
J. Tenth Circuit
K. Eleventh Circuit
L. District of Columbia Circuit
Answer:

Answer: F