In this task, you need to count the number of words in a sentence that contain the given letter

[EX Q]: Sentence: 'a surfer in a black wet suit riding a wave in the ocean'. How many words contain the letter 'x' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a airplane that has a propeller on the wing'. How many words contain the letter 'z' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a woman leaning on a fire hydrant outside a flower shop'. How many words contain the letter 'f' in the sentence.
[EX A]:
2