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

[Q]: Sentence: 'two elephants are standing by the concrete barrier'. How many words contain the letter 'c' in the sentence.
[A]: 1


[Q]: Sentence: 'a woman surfer is on an ocean wave'. How many words contain the letter 's' in the sentence.
[A]: 2


[Q]: Sentence: 'a woman standing on a beach near the water'. How many words contain the letter 'n' in the sentence.
[A]:
4