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

[EX Q]: Sentence: 'a small cat curled up sleeps on what appears to be a table'. How many words contain the letter 'j' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a silver truck a street a person and buildings'. How many words contain the letter 'l' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'people talking on the phone at two different locations'. How many words contain the letter 's' in the sentence.
[EX A]:
1