TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'several ties hang from a bar in a closet'. How many words contain the letter 'e' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a close up of a business sign on a building'. How many words contain the letter 'y' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'the tree has been decorated with ornaments has a large clock in the background'. How many words contain the letter 'd' in the sentence.

SOLUTION:
2