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

[Q]: Sentence: 'five sheep out in an open field eating straw'. How many words contain the letter 'd' in the sentence.
[A]: 1


[Q]: Sentence: 'an over head view of people walking in a cramped area'. How many words contain the letter 'q' in the sentence.
[A]: 0


[Q]: Sentence: 'a black and white photo of a group of people'. How many words contain the letter 'o' in the sentence.
[A]:
5