who sings empire state of mind with jay z???

Answer: Alicia Keys

Question: what is the white part of your nail?

Answer: lunulae (pl.)

Answer this question: where did tony die in west side story??

the middle of the playground

Q: what is the purpose of a sprinkler system?A: fire protection

Input: former world number one tennis player who coached roger federer in 2014?

Output: Stefan Bengt Edberg

the european recovery program of 1947 is better known as???

Answer:
The Marshall Plan