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

[EX Q]: Sentence: 'a young man standing in front of a laptop computer'. How many words contain the letter 'y' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a person is riding a bicycle on the street'. How many words contain the letter 'b' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a giraffe leans over while other giraffes are behind it'. How many words contain the letter 'v' in the sentence.
[EX A]:
1