TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a long train is coming down some tracks'. How many words contain the letter 'w' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a table with two different pizzas on it'. How many words contain the letter 'j' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a woman in a blue shirt is holding a tennis racquet'. How many words contain the letter 'l' in the sentence.

SOLUTION:
2