TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a large jetliner with a space shuttle on its back next to a fighter jet'. How many words contain the letter 'm' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a group of people dressed professionally outside'. How many words contain the letter 'j' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a baseball player finishes his swing as fans look on'. How many words contain the letter 'n' in the sentence.

SOLUTION:
4