TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a cat is laying in a piece of luggage'. How many words contain the letter 'p' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a man with baskets of goods stands next to his bicycle'. How many words contain the letter 'r' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a mirror a sink a towel rack and some drawers'. How many words contain the letter 'r' in the sentence.

SOLUTION:
3