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

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

[EX Q]: Sentence: 'a large pizza smothered in cheese and sauce'. How many words contain the letter 'a' in the sentence.
[EX A]: 5

[EX Q]: Sentence: 'there is a laptop computer with accessories attached'. How many words contain the letter 'z' in the sentence.
[EX A]:
0