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

[EX Q]: Sentence: 'a man in a blue shirt and ear piece holds a clip board'. How many words contain the letter 'u' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a construction worker smashes away at the roof of a building'. How many words contain the letter 'b' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'an image of a person holding a blunt object is rendered in red and blue tones'. How many words contain the letter 'x' in the sentence.
[EX A]:
0