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

[EX Q]: Sentence: 'a large airplane flying over a dry grass hillside'. How many words contain the letter 'e' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a laptop computer that is sitting on a desk'. How many words contain the letter 't' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a man dries his hair in the bathroom'. How many words contain the letter 'm' in the sentence.
[EX A]:
2