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

[EX Q]: Sentence: 'a jet airliner carrying a small shuttle above it'. How many words contain the letter 'r' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a group of many horses going about in a grassy meadow'. How many words contain the letter 'f' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a small kitchen with all of the appliances'. How many words contain the letter 'v' in the sentence.
[EX A]:
0