TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'some people are sitting around a black table'. How many words contain the letter 'v' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'people walking down the sidewalk with no turn signs'. How many words contain the letter 'e' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a gothic tower features a clock near a river'. How many words contain the letter 'e' in the sentence.

SOLUTION:
4