What is this?
Before
After
What is this?
Beautiful
Ugly
What is this?
Tidy
Dirty
What is this?
Front
Back
What is this?
Loud
Quiet
What is this?
Easy
Difficult
What is this?
Ask
Tell
What is this?
Expensive
Cheap
What is this?
Good
Bad
What is this?
Awake
Sleep