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

[EX Q]: Sentence: 'a man sanding next to a cow in a pen'. How many words contain the letter 'h' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'the noodle salad has many spices in it'. How many words contain the letter 'v' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'three jets that are flying in formation together'. How many words contain the letter 'r' in the sentence.
[EX A]:
4