TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a couple of zebras are standing in a pin'. How many words contain the letter 'a' in the sentence.

SOLUTION: 5

PROBLEM: Sentence: 'a boy in a car on a laptop'. How many words contain the letter 'j' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a german shephard holding a red frisbee at the park'. How many words contain the letter 'f' in the sentence.

SOLUTION:
1