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

[EX Q]: Sentence: 'a kitchen in a camp with gear and coats laid out'. How many words contain the letter 'i' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a cat sitting on the arm of a chair'. How many words contain the letter 'g' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a billboard showing zebras on a bridge and cars in a traffic jam below it'. How many words contain the letter 'p' in the sentence.
[EX A]:
0