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.

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

Context : Club Vip is owned by José Manuel Antunes of Whitejets and Omni Aviation of Portugal, controller of the Portuguese charter airline White Airways. 
Answer : Omni Aviation
Which company is the parent company of Whitejets?

Context : The M24 Sniper Weapon System (SWS) is the military and police version of the Remington Model 700 rifle, M24 being the model name assigned by the United States Army after adoption as their standard sniper rifle in 1988. 
Answer : 1988

What year did M24 Sniper Weapon System come into use?

