Task: songer_casetyp1_7-2

What follows is an opinion from a United States Court of Appeals.
Your task is to identify the issue in the case, that is, the social and/or political context of the litigation in which more purely legal issues are argued. Put somewhat differently, this field identifies the nature of the conflict between the litigants. The focus here is on the subject matter of the controversy rather than its legal basis.
Your task is to determine the specific issue in the case within the broad category of "economic activity and regulation". 

PER CURIAM:
This is an appeal by the taxpayer from a decision of the Tax Court. Estate of Mae Elliott, et al. v. Commissioner of Internal Revenue, 1971, 57 T.C. 152. Any doubt concerning the question presented was resolved adversely to appellants by the supervening Supreme Court decision in United States v. Chandler, 410 U.S. 257, 93 S.Ct. 880, 35 L.Ed.2d 247.
Affirmed.

Question: What is the specific issue in the case within the general category of "economic activity and regulation"?
A. taxes, patents, copyright
B. torts
C. commercial disputes
D. bankruptcy, antitrust, securities
E. misc economic regulation and benefits
F. property disputes
G. other
Answer:

Answer: A