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: 'two men playing a video game inside of a room'. How many words contain the letter 'f' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a horse stands in a field with a lighthouse in the background'. How many words contain the letter 'z' in the sentence.
[EX A]:
0