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 man walking across a beach carrying a surfboard'. How many words contain the letter 'i' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a herd of sheep standing on top of a grass covered field'. How many words contain the letter 't' in the sentence.
[EX A]:
2