TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a group of people skiing down a mountain slope'. How many words contain the letter 'e' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a woman is laughing while sitting on a bed'. How many words contain the letter 'c' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a couple of kids standing next to each other in front of a door'. How many words contain the letter 'i' in the sentence.

SOLUTION:
3