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

[Q]: Sentence: 'a carrot and celery are on a cutting board'. How many words contain the letter 's' in the sentence.
[A]: 0


[Q]: Sentence: 'a woman with long red hair packing herself into a suitcase'. How many words contain the letter 'i' in the sentence.
[A]: 5


[Q]: Sentence: 'an adult giraffe leaning over a fence to eat leaves'. How many words contain the letter 'w' in the sentence.
[A]:
0