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

[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: 'a plate with a grilled sanwich next to a bowl of tomato soup'. How many words contain the letter 'a' in the sentence.
[A]: 6


[Q]: Sentence: 'a plate and three bowls filled with food sitting on a table'. How many words contain the letter 'z' in the sentence.
[A]:
0