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

[Q]: Sentence: 'man and woman posing for picture before prom'. How many words contain the letter 'c' in the sentence.
[A]: 1


[Q]: Sentence: 'a person holds a video game remote as another man looks on'. How many words contain the letter 'g' in the sentence.
[A]: 1


[Q]: Sentence: 'people are beginning to board a large green bus'. How many words contain the letter 'e' in the sentence.
[A]:
5