TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a cat in a tie sits on the couch'. How many words contain the letter 't' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'a airplane that has a propeller on the wing'. How many words contain the letter 'z' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a girl looks at her cell phone befuddled'. How many words contain the letter 'a' in the sentence.

SOLUTION:
2