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

[EX Q]: Sentence: 'a man is sitting in a cubicle with a computer'. How many words contain the letter 'a' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a team of junior baseball players carrying a trophy'. How many words contain the letter 'w' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a double decker bus going to tolworth on a sunny day'. How many words contain the letter 'k' in the sentence.
[EX A]:
1