TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a cat is laying in a piece of luggage'. How many words contain the letter 'p' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'two cats stand beside a pink door and potted plants'. How many words contain the letter 'z' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a man loading luggage onto a machine as it comes off a plane'. How many words contain the letter 'k' in the sentence.

SOLUTION:
0