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

[EX Q]: Sentence: 'a kitchen filled with appliances and furniture next to windows'. How many words contain the letter 'p' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a large pizza smothered in cheese and sauce'. How many words contain the letter 'a' in the sentence.
[EX A]: 5

[EX Q]: Sentence: 'large dog sticking its head out of an open window'. How many words contain the letter 'n' in the sentence.
[EX A]:
4