In this task, you need to count the number of words in a sentence that contain the given letter
--------
Question: Sentence: 'the jet is flying through the sky during the day'. How many words contain the letter 'i' in the sentence.

Answer: 3


Question: Sentence: 'a man holding a tennis racquet on a tennis court'. How many words contain the letter 'w' in the sentence.

Answer: 0


Question: Sentence: 'a boy hitting balls off of a tee at the baseball park'. How many words contain the letter 'x' in the sentence.

Answer:
0