TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a young girl plays tennis in a court with grass in the cracks'. How many words contain the letter 'w' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a view from inside a train cart going down a track'. How many words contain the letter 'e' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a woman is holding a laptop with the keyboard and monitor detached'. How many words contain the letter 'r' in the sentence.

SOLUTION:
2