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

[EX Q]: Sentence: 'a young person flying through the air while riding a skateboard'. How many words contain the letter 'd' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a teddy bear laying on a pillow on a bed'. How many words contain the letter 'w' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a plate of food and berries is sitting beside flatware on a wooden surface'. How many words contain the letter 'f' in the sentence.
[EX A]:
4