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

[Q]: Sentence: 'fresh daisies in a rectangular green glass vase'. How many words contain the letter 's' in the sentence.
[A]: 4


[Q]: Sentence: 'a street scene with cars and an city bus'. How many words contain the letter 's' in the sentence.
[A]: 4


[Q]: Sentence: 'two people are watching a woman playing a game in an office'. How many words contain the letter 'k' in the sentence.
[A]:
0