TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'an image of a man with a tennis racket in hand'. How many words contain the letter 'u' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a cat that is laying down with a mouse on top of it'. How many words contain the letter 'm' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a cat is sitting on the somewhat high chair'. How many words contain the letter 'c' in the sentence.

SOLUTION:
2