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

[EX Q]: Sentence: 'a man sits on a bench with a dog in lap reading'. How many words contain the letter 'x' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'zebra walking through some desolate savanna alone during the day'. How many words contain the letter 'e' in the sentence.
[EX A]: 5

[EX Q]: Sentence: 'a jetliners wing flying over a large mountain range'. How many words contain the letter 'm' in the sentence.
[EX A]:
1