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

[Q]: Sentence: 'a man sleeping on a park bench then a woman looks at another man with a newspaper over his face on another park bench'. How many words contain the letter 't' in the sentence.
[A]: 5

[Q]: Sentence: 'a persons desk with a computer and many books in a case behind it'. How many words contain the letter 'd' in the sentence.
[A]: 3

[Q]: Sentence: 'several people standing around on skis in the snow'. How many words contain the letter 'a' in the sentence.
[A]:
3