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

[EX Q]: Sentence: 'a young man dressed as a nun skateboards down the street'. How many words contain the letter 'e' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a woman bent down on the street holding her umbrella'. How many words contain the letter 'x' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'the kitchen is empty except for a few items on the counter and shelf'. How many words contain the letter 'o' in the sentence.
[EX A]:
3