What follows is an opinion from a United States Court of Appeals. Your task is to identify the type of district court decision or judgment appealed from (i.e., the nature of the decision below in the district court).

Opinion:
UNITED STATES ex rel. ZUCKER v. OSBORNE, Director, Civilian Public Service Camp.
No. 192.
Circuit Court of Appeals, Second Circuit.
Feb. 2, 1945.
Edward N. Mills, Jr., of Buffalo, N. Y. (Julien Cornell, of New York City, of counsel), for petitioner-appellant.
George L. Grobe, U. S. Atty., of Buffalo, N. Y., for respondent-appellee.
Before CHASE, HUTCHESON, and FRANK, Circuit Judges.
PER CURIAM.
The writ was issued upon the petition of the relator to test the lawfulness of his restraint as a conscientious objector to military service. He has been duly classified IV-E as a conscientious objector under the provisions of § 5(g) of the Selective Training and Service Act of 1940, 50 U.S.C.A.Appendix § 305(g), and is an assignee presently restrained as such at Civilian Public Service Camp No. 46 at Big Flats, N. Y., of which the respondent is the director. The writ was dismissed after hearing thereon and the relator has appealed.
The order is affirmed on the authority of Brooks v. United States, 147 F.2d 134 (decided herewith), and of Angelus v. Sullivan, 2 Cir., 246 F. 54; Butler v. Perry, 240 U.S. 328, 36 S.Ct. 258, 60 L.Ed. 672; Selective Draft Cases, 245 U.S. 366, 38 S.Ct. 159, 62 L.Ed. 349, L.R.A.1918C, 361, Ann.Cas.1918B, 856; United States v. Drum, 2 Cir., 107 F.2d 897, 129 A.L.R. 1165; and Seele v. United States, 8 Cir., 133 F.2d 1015. See also, Jacobson v. Massachusetts, 197 U.S. 11, 25 S.Ct. 358, 49 L.Ed. 643, 3 Ann.Cas. 765.

Question: What is the type of district court decision or judgment appealed from (i.e., the nature of the decision below in the district court)?

Choices:
Trial (either jury or bench trial)
Injunction or denial of injunction or stay of injunction
Summary judgment or denial of summary judgment
Guilty plea or denial of motion to withdraw plea
Dismissal (include dismissal of petition for habeas corpus)
Appeals of post judgment orders (e.g., attorneys' fees, costs, damages, JNOV - judgment nothwithstanding the verdict)
Appeal of post settlement orders
Not a final judgment: interlocutory appeal
Not a final judgment: mandamus
Other (e.g., pre-trial orders, rulings on motions, directed verdicts) or could not determine nature of final judgment
Does not fit any of the above categories, but opinion mentions a "trial judge"
Not applicable (e.g., decision below was by a federal administrative agency, tax court)

Answer: 4