Q: What shape does Sammy want to be?

A: Sammy wants to be a trapezoid.

Q: What shape is Sammy?

A: Sammy is a trapezoid.

Q: What is trapezoid?

A: A flowerpot is trapezoid.

A: A roof is trapezoid.

Q: What shape is it?

A: It's a red trapezoid.

A: It's a green trapezoid.