TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'an old motorcycle with the seat missing parked in a garage with other parts and motorcycles'. How many words contain the letter 'r' in the sentence.

SOLUTION: 6

PROBLEM: Sentence: 'two males and a drink a laptop and a cellphone'. How many words contain the letter 'b' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a refrigerator in a kitchen next to a microwave'. How many words contain the letter 'w' in the sentence.

SOLUTION:
1