TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a teddy bear that is sitting up on the ground'. How many words contain the letter 'm' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a smiling man holds out a card with color swatches'. How many words contain the letter 'i' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a couple of people that are sitting on a park bench'. How many words contain the letter 'p' in the sentence.

SOLUTION:
3