TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a small terrier stands in the open suitcase ready to go'. How many words contain the letter 'l' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a man using an outdoor oven to cook a pizza'. How many words contain the letter 'f' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a desk is shown with a modern desk chair'. How many words contain the letter 'i' in the sentence.

SOLUTION:
3