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

[Q]: Sentence: 'a lit street light next to a bar'. How many words contain the letter 'w' in the sentence.
[A]: 0


[Q]: Sentence: 'a child on the sand and a boat and some water'. How many words contain the letter 's' in the sentence.
[A]: 2


[Q]: Sentence: 'there are cows that are lying on the grass'. How many words contain the letter 'o' in the sentence.
[A]:
2