TASK DEFINITION: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
PROBLEM: Context : In 1994, the U.S. military officially accepted the XM4 into service as the M4 carbine to replace M16A2s in certain roles. 
Answer : 1994

SOLUTION: In which year was the service entry date for M4 carbine?

PROBLEM: Context : Lady Zhen (26 January 183 -- 4 August 221), personal name unknown, was the first wife of Cao Pi, the first ruler of the state of Cao Wei in the Three Kingdoms period. 
Answer : Cao Pi

SOLUTION: What is Lady Zhen's spouse's name?

PROBLEM: Context : The First Turn-On! is a 1983 comedy film directed by Lloyd Kaufman and Michael Herz of Troma Entertainment. 
Answer : Troma Entertainment

SOLUTION:
Which production company is involved with The First Turn-On!?