TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a long train is coming down some tracks'. How many words contain the letter 'w' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a person in uniform is on a motorcycle near other uniformed people'. How many words contain the letter 'r' in the sentence.

SOLUTION: 6

PROBLEM: Sentence: 'a beautiful woman sharing a glass of wine with an older man'. How many words contain the letter 'l' in the sentence.

SOLUTION:
3