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

[EX Q]: Sentence: 'a ram standing still in an empty pasture'. How many words contain the letter 'x' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a group of men sitting by tables working on laptops'. How many words contain the letter 'l' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a close up of a computer screen with a mouse'. How many words contain the letter 'y' in the sentence.
[EX A]:
0