[Q]: A soda gun or bar gun is a device used by bars to serve various types of carbonated and non-carbonated drinks. A soda gun has the ability to serve any beverage that is some combination of syrup, water and carbon dioxide. This includes soft drinks, iced tea, carbonated water, and plain water. When served from a soda gun, these are often known as fountain drinks. A soda gun is a good way to make money at a bar. OPTIONS:
- Yes
- It's impossible to say
- No
[A]: It's impossible to say

[Q]: Fred Berger (born May 10, 1981) is an American film producer who was nominated for the Academy Award for Best Picture for the 2016 musical "La La Land", for which he also won the 2016 Golden Globe Award for Best Motion Picture Musical or Comedy and Producers Guild of America Award for Best Theatrical Motion Picture. Fred Berger is not an American actor. OPTIONS:
- Yes
- It's impossible to say
- No
[A]: Yes

[Q]: Cynthia Jane Williams (born August 22, 1947) is an American actress known for starring as Shirley Feeney in the television situation-comedy "Laverne & Shirley", for her role as Laurie Henderson in the film "American Graffiti.", and for playing the mysterious Ann in "The Conversation." Cynthia Williams did not enjoy her roles in the Conversation and American Graffiti OPTIONS:
- Yes
- It's impossible to say
- No
[A]: It's impossible to say

[Q]: The ComstockNeedham system is a naming system for insect wing veins, devised by John Comstock and George Needham in 1898. It was an important step in showing the homology of all insect wings. This system was based on Needham's "pretracheation theory" that was later discredited by Frederic Charles Fraser in 1938. John Comstock was friends with Fredric Charles Fraser. OPTIONS:
- Yes
- It's impossible to say
- No
[A]:
It's impossible to say