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

[Q]: Sentence: 'a group of people standing together talking '. How many words contain the letter 'b' in the sentence.
[A]: 0

[Q]: Sentence: 'a small child next to a bunch of bananas and an orange'. How many words contain the letter 'p' in the sentence.
[A]: 0

[Q]: Sentence: 'an adorable cat rolling around on its back while holding a toothbrush in its mouth'. How many words contain the letter 'b' in the sentence.
[A]:
3