TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a sign reading butt street on the corner of a building with a no parking sign below it'. How many words contain the letter 'h' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a young man attempting to fly a kite on a forest hillside'. How many words contain the letter 'f' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a parking meter has snow piled on top of it'. How many words contain the letter 's' in the sentence.

SOLUTION:
2