Helvering v. Horst, 311 U.S. 112 (1940) , is an opinion of the United States Supreme Court which further developed the "fruit-and-tree" metaphor established in "Lucas v. Earl", 281 U.S. 111 (1930) . "Horst" is the leading case that applies the assignment of income doctrine to income from property.
Horst is the case that applied the assignment of income doctrine to income from property
A: Yes

Ryman Auditorium (formerly Grand Ole Opry House and Union Gospel Tabernacle) is a 2,362-seat live performance venue, located at 116 5th Avenue North, in Nashville, Tennessee and is best known as the home of the "Grand Ole Opry" from 1943 to 1974. It is owned and operated by Ryman Hospitality Properties, Inc.
The Grand Ole Opry was moved to Memphis Tennessee after 1974
A: It's impossible to say

SNOBOL ("StriNg Oriented and symBOlic Language") is a series of computer programming languages developed between 1962 and 1967 at AT&T Bell Laboratories by David J. Farber, Ralph E. Griswold and Ivan P. Polonsky, culminating in SNOBOL4. It was one of a number of text-string-oriented languages developed during the 1950s and 1960s; others included COMIT and TRAC.
SNOBOL was used by Obama.
A:
It's impossible to say