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 that has been spray painted'. How many words contain the letter 'o' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a woman swinging a tennis racquet in the air'. How many words contain the letter 'z' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'this is a cut up potato on a cutting board with a knife on top of it'. How many words contain the letter 'f' in the sentence.

SOLUTION:
2