Who's this?
This is an umpire.
Who's this? (an uncle)
This is a happy uncle.
Who's this?
This is an unhappy uncle.
Who's this?
This is an anry umpire.
What letter is this?
This is the letter U (big U)
Who's this?
This is an umpire.
What's that?
That's a happy big umbrella.
What's this?
This is an unhappy umbrella.
This is ...
up
This is ...
up
What letter is this?
This is the letter U (small u)
What's this?
This is an unhappy umbrella.
Who's this? (an uncle)
This is an uncle.