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

[Q]: Sentence: 'three people that are looking at a monitor on the left side of the photo'. How many words contain the letter 'd' in the sentence.
[A]: 1


[Q]: Sentence: 'three children standing behind a little girl with a bat in her hands'. How many words contain the letter 'c' in the sentence.
[A]: 1


[Q]: Sentence: 'a large room has a stone fireplace with candles inside'. How many words contain the letter 's' in the sentence.
[A]:
4