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

[Q]: Sentence: 'an elephant standing on a green grass area'. How many words contain the letter 'm' in the sentence.
[A]: 0


[Q]: Sentence: 'a woman in glasses and a black shirt next to clock'. How many words contain the letter 'q' in the sentence.
[A]: 0


[Q]: Sentence: 'a desk that is covered in books and papers there is a laptop on the desk'. How many words contain the letter 's' in the sentence.
[A]:
6