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

[EX Q]: Sentence: 'a giraffe grazing in pen next to a tree trunk'. How many words contain the letter 'v' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a man rides a black motorcycle around a curve'. How many words contain the letter 'y' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a mother and father walking with their son on a sandy beach'. How many words contain the letter 'n' in the sentence.
[EX A]:
5