What is colour the on desk the bag

What is colour the on desk the bag


What the colour is the bag on the desk?



what's that under the desk?
A.It's a football
B.I can see a set of keys
C.They are red boxes
D.There's a cat


A
What's is generally used to answer it's questions



That, under, is, the, what, tree?


What is that under the tree?
What's the one under the tree?