TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a young man attempting to fly a kite on a forest hillside'. How many words contain the letter 'f' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a kitchen with hard wood floors and a stove top oven'. How many words contain the letter 'g' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a very big train and another train car on the tracks'. How many words contain the letter 'y' in the sentence.

SOLUTION:
1