Answer:
We are five little objects of an everyday sort. You will find us all in a tennis court.
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
I hide but my head is outside.
What word starts with 'E', ends with 'E', but only has one letter? It is not the letter 'E'.
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?