The US flag does have three colors.
The US flag does have three colors.
The American flag doesn't have 50 stripes. The US flag doesn't have blue stars. The US flag doesn't have blue stars.
Go on to Question 2.
Sorry, that's not correct.
Go back to Question #1.
No, that's not correct.
The American flag doesn't have 50 stripes.
Go back to Question 2.
Yes, that's correct.
Go on to Question 3.
Yes, that's correct.
The American flag does have 50 stars.
Go on to Question 4. 
Sorry, that's not right.
The American flag does have 50 stars.
Go back to Question 3.
No, that's not right.
Go back to the last question. 
Yes, that's right.
Go on to the next question. 
What are the colors of the American flag?
You picked green, yellow, red.
Sorry, that's wrong.
Try again.
Back to Question 1. 
What are the colors of the American flag?
You picked red, white, blue.
That's right!
Go to Question 2. 
What are the colors of the American flag?
You picked brown, gray, purple.
Sorry, that's wrong.
Try again.
Back to Question 1. 
How many stripes on the American flag?
You picked 13.
Yes, that's correct.
Go on to the next question. 
How many stripes on the American flag?
You picked 50.
Sorry, that's not right
Go back to Question 2.
How many stripes on the American flag?
You picked 3.
Sorry, that's wrong.
Try again.
Back to Question 2.
What color are the stripes on the United States flag?
You picked blue and white.
Sorry, that's not correct.
Go back to Question 3.
What color are the stripes on the United States flag?
You picked red and blue.
Sorry, that's wrong.
Try again.
Back to Question 3.
What color are the stripes on the United States flag?
You picked red and white.
Yes, that's right.
Good work.
Go on to the last question. 
How many stars on the American flag?
You picked 3.
Sorry, that's not correct.
Go back to Question 4. 
How many stars on the American flag?
You picked 13.
Sorry, that's wrong.
Try again.
Back to Question 4. 
How many stars on the American flag?
You picked 50.
Yes, that's correct.
Good work.