TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a stop sign casting a shadow of a sign that says war'. How many words contain the letter 'y' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a computer desk holding a laptop computer and white ceramic lamp'. How many words contain the letter 'r' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'there is a variety of food in different dishes on the table'. How many words contain the letter 'i' in the sentence.

SOLUTION:
5