TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a man paddle boarding in the middle of the ocean'. How many words contain the letter 'i' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a woman bent down on the street holding her umbrella'. How many words contain the letter 'x' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a small blue airplane is on the runway'. How many words contain the letter 'm' in the sentence.

SOLUTION:
1