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

[EX Q]: Sentence: 'a black and white photo of a very crowded tropical beach'. How many words contain the letter 'p' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'three children standing behind a little girl with a bat in her hands'. How many words contain the letter 'c' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'the store window has knick nacks on display'. How many words contain the letter 'i' in the sentence.
[EX A]:
3