What of the following is true: 
Input->Processing->Feedback--->
            ^               | 
            |---Output<------

# This is a comment: void lines divides questions from wrong answers

Processing should be instead of Feedback
Input should be instead of Output

# a void line to distinguish right answers 
Feedback should be instead of Output

# another void line for a new question and so on 
A new big question
standing on multiple lines.
What is true:

The world is flat
The sun rotate around the world

The moon rotate around the world
The world rotate around the sun

#another question with response on multiple lines (with initial blank)
How do you query with SQL the names from a users table?

GIVE name
  OF users
SELECT name
  OF users

SELECT name
  FROM users