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

[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: 'smiling woman with hair in her face talking on a cellphone'. How many words contain the letter 'q' in the sentence.
[A]: 0


[Q]: Sentence: 'a hand is holding a single banana to eat'. How many words contain the letter 'r' in the sentence.
[A]:
0