TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'the boy is in batting stance to waiting'. How many words contain the letter 'h' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a girl at a lake is looking at sand inside of a frisbee'. How many words contain the letter 'u' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a piece of cheesecake on a dish with powdered sugar on the dish and a fruit cause over the slice of cake'. How many words contain the letter 'w' in the sentence.

SOLUTION:
2