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

[EX Q]: Sentence: 'a bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a blue traffic sign next to a parked car on a city street'. How many words contain the letter 'g' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'the airplane has begun its ascent in the skies'. How many words contain the letter 'h' in the sentence.
[EX A]:
3