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

[EX Q]: Sentence: 'a little boy that is sitting near two birds'. How many words contain the letter 'm' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a pizza sitting on top of a black cutting board'. How many words contain the letter 'g' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a street sign on a pole next to shrubbery and a street'. How many words contain the letter 'o' in the sentence.
[EX A]:
3